| Title | Edition | Year of Publication | Contributors | Country of Publication | Possible Copyright Status | Available Online? |
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| 40.000 kms dans le ciel d'Afrique | | 1936 | Magdeleine Wauthier |  |  |  | | |
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| A.M.C. White Mountain guide: a guide to trails in the mountains of New Hampshire and adjacent parts of Maine | | 1907 | | |  | | | | 
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| Above the snow line | | 1885 | C. T. (Clinton Thomas) Dent, Clinton [Thomas] Dent | | | | | |   
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| Across the Andes | | 1912 | Charles Johnson Post | | | | | |
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| Across the continent to the thirty-fifth annual convention of the National electric light association | | 1912 | | | | | | |
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| Adirondack guide: vacationland in picture, story and history | | 1920 | Arthur S. Knight, Edward Arthur Knight | | | | | |
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| Adirondack stories | | 1907 | P. (Philander) Deming |  | | | | |
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| The Adirondacks | | 1917 | Thomas Morris Longstreth | | | | | |
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| The adventures of a nature guide | | 1920 | Enos Abijah Mills | | | | | |
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| Alpenflug | | 1928 | H. Kempf, Walter Mittelholzer |  | | | | |
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| An Alpine journey | | 1934 | Francis Sydney Smythe | | | | | |
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| Alpinisme hivernal: le skieur dans les Alpes | | 1925 | Marcel Kurz | | | | | |
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| The Alps as seen by the poets | | 1912 | J. Walker McSpadden | | | | | |
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| The Alps | | 1904 | Arthur David McCormick, Sir William Martin Conway | | |  | | |
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| Altai--Himalaya: a travel diary | | 1929 | Nicholas Roerich | | | | | |
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| Amazon and Andes | | 1936 | Sir Kenneth G. (Kenneth George) Grubb, Gordon Ross, Charles Dickens | | | | | |
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| Among the Alps with Bradford | | 1927 | Bradford Washburn | | | | | |
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| Among the Canadian Alps | | 1914 | Lawrence J. (Lawrence Johnstone) Burpee | | | | | |
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| Ancient Chinese account of Arizona and its cliff dwellings | | 1915 | Alexander McAllan | | | | | |
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| Arkinsaw cousins: a story of the Ozarks | | 1908 | J. Breckenridge (John Breckenridge) Ellis | | | | | |
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| The ascent of Denali (Mount McKinley): a narrative of the first complete ascent of the highest peak in North America | | 1914 | Hudson Stuck | | | | | |
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| The ascent of Nanda Devi | | 1937 | H. W. (Harold William) Tilman | | | | | |
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| The ascent of Nanda Devi | | 1937 | H. W. (Harold William) Tilman | | | | | |
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| Attack on Everest | | 1935 | Hugh Ruttledge | | | | | |
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| Au bout d'un fil: douze ascensions nouvelles dans les Alpes suisses et françaises | | 1937 | E. R. (Emile Robert) Blanchet | | | | | |
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| Aus Bolivias bergen | | 1927 | Henry William Hoek |  | | | | |
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| The award of justice: or, Told in the Rockies | | 1901 | A. Maynard (Anna Maynard) Barbour | | | | | |
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| Back yonder: an Ozark chronicle | | 1932 | Howard Simon, Wayman Hogue | | | |  | |
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| Backwoods America | | 1935 | Charles Morrow Wilson, Bayard Wootten | | | | | |
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| Backwoodsmen: daring men of the Ozarks | | 1940 | George Clinton Arthur | | | | | |
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| The Bald-knobbers: a novel of the Ozarks | | 1930 | Clyde Edwin Tuck | | | | | |
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| The balsam groves of the Grandfather mountain: a tale of the western North Carolina mountains, together with information relating to the section and its hotels, also a vocabulary of Indian names and a list of altitudes of important mountains, etc | | 1907 | Shepherd Monroe Dugger | | | | | |
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| Bau und bewegung der gebirge in Nordamerika, Skandinavien und Mitteleuropa: forschungen in den jahren 1924 bis 1927, ausgeführt mit unterstützung der Notgemeinschaft der deutschen wissenschaft | | 1928 | Hans Cloos | | | | | |
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| Über die bedingungen der gebirgsbildung | | 1914 | Karl Andrée | | | | | |
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| Über einige Gebirgsdruckerscheinungen in ihren Beziehungen zum Tunnelbau | | 1911 | Erich von. Willmann | | | | | |
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| Berge und heimat: das buch von den bergen und ihren menschen | | 1933 | Walter Schmidkunz, Luis Trenker | | | | | |
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| Berges- und Wolkenhöhen bei griechischen Physikern | | 1916 | Wilhelm Capelle | | | | | |
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| Bergwelt-wunderwelt: eine alpine weltgeschichte | | 1935 | Walter Schmidkunz, Luis. Trenker | | | | | |
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| Beyond the sunset | | 1936 | Charles Douie | | | | | |
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| Bloody ground: a cycle of the southern hills | | 1929 | Fiswoode Tarleton | | | | | |
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| Blue gold: a romance of the Rockies | | 1934 | Agnes K. Getty | | | | | |
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| Blue Ridge breezes | | 1927 | J. M. (Joseph Medley) Rowland | | | | | |
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| Bob Flame, Rocky mountain ranger | | 1935 | Dorr G. (Dorr Graves) Yeager, Dorr G. Yeager New York | | | | | |
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| The boy from Hollow Hut: a story of the Kentucky mountains | | 1911 | Isla May Mullins | | | | | |
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| Bradford on Mount Fairweather | | 1930 | Bradford Washburn | | | | | |
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| Bradford on Mount Washington | | 1928 | Bradford Washburn | | | | | |
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| The Butcher: the ascent of Yerupaja | | 1952 | John. Sack | | | | | |
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| The call of the Cumberlands | | 1913 | Charles Neville Buck, Douglas Duer | | | | | |
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| The call of the mountains | | 1922 | Le Roy Jeffers | | | | | |
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| Casuals in the Caucasus | | 1912 | Agnes Herbert, Agnes Herbert | | | | | |
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| Cindy: a romance of the Ozarks | | 1928 | Rose Wilder Lane | | | | | |
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| A climber's guide to the Rocky mountains of Canada | 1st ed. | 1921 | Howard Palmer, J. Monroe (James Monroe) Thorington | | | | | |
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| Climbing days | | 1935 | Mrs. Dorothy Pilley Richards | | | | | |
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| Climbing days | | 1935 | Dorothy Pilley, Mrs Dorothy (Pilley) Richards | | | | | |
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| Cloud-lands of France | | 1927 | Amy Oakley, Thornton Oakley | | | | | |
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| The code of the mountains | | 1915 | Charles Neville Buck, G. W. Gage | | | | | |
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| Cold River | | 1921 | Henry Abbott | | | | | |
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| Colorado mountain playgrounds | | 1925 | | | | | | |
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| Conquering the wilderness | | 1932 | Charles Howard Burnett | | | | | |
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| Conquering the world | | 1925 | John H. Fuller, Helen Bartlett Bridgman | | | | | |
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| The conquest of Mount McKinley: the story of three expeditions through the Alaskan wilderness to Mount McKinley, North America's highest and most inaccessible mountain | | 1913 | Belmore Browne | | | | | |
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| Das alpine Europa und sein Rahmen: ein geologisches Gestaltungsbild | | 1931 | Leopold Kober | | | | | |
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| Das erlebnis des hochgebirges | | 1932 | Oskar Erich Meyer | | | | | |
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| Das gesicht der Rif | | 1928 | Hans Felix Wolff | | | | | |
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| A daughter of the Ozarks | | 1921 | A. M. (Alanson Mason) Haswell | | | | | |
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| Den bergen verfallen | | 1933 | Eleonore Hasenclever Noll, Heinrich Erler | | | | | |
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| Der alpinist: ein führer in die hochgebirgswelt | | 1911 | A. Fendrich | | | | | |
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| Der Kampf um den Everest | | 1925 | George Ingle Finch, Walter Schmidkunz | | | | | |
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| Der kampf um die weltberge | | 1934 | Theodor Herzog | | | | | |
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| Der lämmergeier im Himalaja | | 1931 | Bengt Magnus Kristoffer Berg | | | | | |
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| Diastrophism and volcanism: a guide for use with the educational sound pictures "Mountain building" and "Volcanoes in action" | | 1937 | Earl A. (Earl Adam) Trager, Carey Croneis | | | | | |
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| Die deutsche Alpenstrasse | | 1936 | Adolf Stois, Waldemar Wucher, Hans. Schmithals | | | | | |
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| Die grenzmarken des europäischen Russlands, ihre geographische eigenart und ihre bedeutung für den weltkrieg | | 1915 | Maximilian Hermann Friederichsen | | | | | |
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| Die Hargreise von Heinrich Heine | | 1907 | B. J. Yos, John Bert, Heinrich Heine | | | | | |
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| Die Harzreise | | 1912 | Heinrich Heine, Robert Herndon Fife | | | | | |
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| Die Harzreise und Buch Le Grand | | 1912 | Heinrich Heine, Robert Herndon Fife | | | | | |
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| Die Harzreise: with selections from Heine's prose and verse | | 1916 | Robert Porter Keep, Heinrich Heine | | | | | |
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| Die Harzreise | | 1908 | Heinrich Heine, Parke Rexford Kolbe | | | | | |
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| Die Ostalpen und das heutige Österreich: eine Länderkunde | | 1928 | Norbert Krebs | | | | | |
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| Die äquatorfrage in der geologie | | 1926 | Damian Kreichgauer | | | | | |
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| Die Todesfahrt auf das Matterhorn | | 1928 | Johannes Jegerlehner, Peter Taugwalder, Jr. | | | | | |
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| Die Weisse kordillere | | 1935 | Philipp Borchers | | | | | |
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| The echo of Union chapel: a tale of the Ozark low hill country | | 1912 | Clarence E. Hatfield | | | | | |
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| The enchanted jungle | | 1933 | Isadore Lhevinne | | | | | |
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| The epic of Mount Everest | | 1926 | Sir Francis Edward Younghusband | | | | | |
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| Erlebnisse und Gedanken eines alten Bergsteigers, 1880-1930 | | 1931 | Charles Simon | | | | | |
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| Explorations - east of the high Andes, from Patagonia to the Amazon | [1st ed.] | 1958 | Victor Oppenheim | | | | | |
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| Fünf Finger über dir: Bekenntnis eines Menschen in dieser Zeit | | 1929 | Armin T. Wegner | | | | | |
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| Flames of the Blue Ridge | | 1919 | George W. Gage, E. S. (Ethel Smith) Dorrance, James French Dorrance | | | | | |
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| Flying lanes | | 1937 | William K. (William Kissam) Vanderbilt | | | | | |
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| Forschung am Nanga Parbat | | 1935 | Fritz Bechtold, Walter Raechl, Peter Misch | | | | | |
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| From an Ozark holler: stories of Ozark mountain folk | | 1933 | Vance Randolph, Richard A. Loederer | | | | | |
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| Geography of the Northern Ozark border region in Missouri | | 1953 | James E. Collier | | | | | |
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| The geography of the Ozark highland of Missouri | | 1920 | Carl Ortwin Sauer | | | | | |
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| The girl o' the mountains: a story of the West and California in the days of '49 | | 1926 | George W. Greene | | | | | |
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| A girl of the Blue Ridge | | 1915 | Payne Erskine, J. Duncan Gleason | | | | | |
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| A girl of the Ozarks | | 1911 | Elizabeth Montgomery Summers, R. I. Conklin | | | | | |
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| The glacier playfields of the Mt. Rainier National Park | | 1920 | Joseph Taylor Hazard | | | | | |
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| God's pulpit: a story of southern mountains | | 1927 | Frank L. Gale | | | | | |
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| A gold hunter's experience | | 1898 | Chalkley J. Hambleton | | | | | |
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| Goose Creek folks: a story of the Kentucky mountains | | 1912 | Isabel Graham Bush, Florence Lilian Bush | | | | | |
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| The Great Smoky mountains | | 1937 | Laura Thornborough | | | | | |
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| The Great Smoky Mountains national park: Tennessee and North Carolina | | 1928 | | | | | | |
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| Grundzüge der geologischen Formations- und Gebirgskunde: für Studierende der Naturwissenschaften, der Geographie und des Bergfaches | | 1913 | Alexander Johannes Heinrich Tornquist | | | | | |
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| Guide to Adirondack trails | | 1934 | | | | | | |
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| Guide to paths in the Blue ridge: measured distances and detailed directions for 612 miles of the Appalachian trail and 273 miles of side trails in southern Pennsylvania, Maryland and Virginia | | 1934 | | | | | | |
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| Guide to the Great Smoky mountains national park | | 1935 | George William McCoy | | | | | |
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| Gypaëtus, den flygande draken i Himalaya | | 1931 | Bengt Berg |  | | | | |
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| Harzbilder, geschichten und bilder aus dem Harz | | 1925 | Johann Behnken | | | | | |
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| The heart of nature: or, The quest for natural beauty | | 1921 | Sir Francis Edward Younghusband | | | | | |
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| Heart of the woods: ... a story of life among the habitants in the Laurentian foot-hills | | 1928 | Isabel Adams | | | | | |
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| Helden der Berge | | 1936 | Luis Trenker | | | | | |
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| Helden der berge | | 1935 | Luis Trenker | | | | | |
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| The hermit of the Adirondacks | | 1915 | Delia Trombly, Della Trombly | | | | | |
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| Hester of the hills: a romance of the Ozark Mountains | | 1907 | Grover Clay, Griswold Tyng | | | | | |
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| High country: the Rockies yesterday and to-day | | 1926 | Courtney Ryley Cooper | | | | | |
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| High spots in the Andes | | 1935 | Mrs. Hoeppner Josephine Woods | | | | | |
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| The hills o' Hampshire | | 1913 | James Clarence Harvey, Will M. (Will Martin) Cressy, Will H | | | | | |
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| Himalaya, a monograph | | 1927 | Ivan. Narodny, Nicholas Roerich, Frances R. Grant | | | | | |
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| Himalaya: unsere Expedition 1930 | | 1931 | Günter Oskar Dyhrenfurth | | | | | |
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| Himatschal, die Throne der Götter: 25 Jahre im Himalaya | | 1926 | Carl. Forstmann | | | | | |
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| Hinauf!: Etwas zum sinnieren für nachdenkliche Alpenwanderer | | 1913 | Theodor Wundt | | | | | |
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| Historical episodes, vicinity of Pikes peak | | 1937 | Carl R. Taggart | | | | | |
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| History of Mount Rainier national park | | 1933 | Caroline Leona Tolbert | | | | | |
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| Hochgebirgswanderungen in den Alpen und im Kaukasus | | 1913 | Ernst Jenny, Andreas Fischer | | | | | |
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| Hochtouren im tropischen Amerika | | 1925 | Hans Meyer | | | | | |
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| Hors de chemins battus, ascensions nouvelles dans le Alpes | | 1932 | Émile R. Blanchet | | | | | |
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| Hymns of nature and songs of the spirit: poems | | 1908 | "Mrs. M. E. Gates," Mary C. Bishop Gates, Mrs | | | | | |
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| I æventyrland: oplevet og drømt i Kaukasien | | 1903 | Knut Hamsun |  | | | | |
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| Im Kampf um de Berg, spannende Bergerlebnisse | | 1934 | | | | | | |
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| Im Reiche der Medea: kaukasische Fahrten und Abenteuer, mit 86 Abbildungen nach eigenen Aufnahmen des Verfassers und zwei Karten | | 1924 | Alfred Nawrath | | | | | |
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| In a cup of the hills: a story of the Ozarks | | 1930 | Khoda Chase, Mrs. Fenetta Sargent Haskell | | | | | |
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| In Kanadas Urwäldern und Prärien: Erlebnisse und Streifzüge eines Trappers und Farmers | | 1925 | Max. Otto | | | | | |
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| In the mountains: reproductions of lithographs and wood cuts of the Colorado Rockies | | 1925 | Birger Sandzén | | | | | |
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| In the Oregon country: out-doors in Oregon, Washington, and California, together with some legendary lore, and glimpses of the modern West in the making | | 1915 | George Palmer Putnam | | | | | |
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| In the Rockies with Kit Carson | | 1913 | A. Edwin Kramer, John Thomas McIntyre, Ralph L. Boyer | | | | | |
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| In the Seven Mountains | | 1913 | Henry W. Shoemaker | | | | | |
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| The Indian steps: and other Pennsylvania mountain stories | | 1912 | Henry W. Shoemaker | | | | | |
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| Innocents aloft and other souvenirs of days in France | | 1927 | Henry Justin Smith | | | | | |
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| Ironica: a romance of the Rockies | | 1911 | Isabella Morton, Mary Kroh. Colvin | | | | | |
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| The Italian Riviera: its scenery, customs, and food, with notes upon the Maritime Alps | | 1928 | Bohun Lynch | | | | | |
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| Jean Carroll: a tale of the the Ozark hills | | 1911 | John Homer Case | | | | | |
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| June of the hills: a story of the southern mountains with Lake Junaluska, N.C., as the center of action | | 1927 | David English Camak | | | | | |
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| Kameraden der Berge | | 1935 | Luis Trenker | | | | | |
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| Kamet conquered | | 1932 | F. S. (Francis Sydney) Smythe | | | | | |
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| Kampf in Schnee und Eis | | 1933 | Leni. Riefenstahl | | | | | |
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| The keeper of the vineyard: a tale of the Ozarks | | 1913 | Caroline Abbot Stanley, Samuel M. Palmer, J. A. Eoss | | | | | |
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| L'alpnisme | | 1913 | Georges Casella | | | | | |
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| ... L' homme et la montagne | | 1934 | Jules Blache | | | | | |
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| La chaîne du Mont-Blanc | | 1928 | Henry Bregeault | | | | | |
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| La route des Alpes françaises du Léman à la mer: ouvrage orné de gravures en phototypie | | 1912 | Henri Marc Ferrand | | | | | |
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| Lawinen!: Abenteuer und erfahrung, erlebnis und lehre | | 1935 | Walther Flaig | | | | | |
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| Les Alpes françaises | | 1925 | Raoul Blanchard | | | | | |
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| Les Alpes (géographie générale) par Emmanuel de Martonne | | 1926 | Emmanuel de Martonne | | | | | |
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| Les royaumes des neiges: (états himalayens) avec 3 cartes dans le texte et 16 planches de reproductions photographiques hors texte | | 1911 | Charles Eudes Bonin | | | | | |
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| Les Steppes de la Mer Caspienne: Voyage dans la Russie Méridionale | | 1868 | Adèle Hommaire de Hell | | | | | |
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| The light on the hill: a romance of the southern mountains | | 1915 | Martha S. (Martha Sawyer) Gielow | | | | | |
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| List of excursions, parties, mountain climbs, 1882-1911. | | 1912 | | | | | | |
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| The little fiddler of the Ozarks: a novel | | 1913 | J. Breckenridge (John Breckenridge) Ellis, H. S. De Lay | | | | | |
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| Log-cabin yarns of the Rocky Mountains | | 1912 | Edmund Deacon Peterson | | | | | |
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| Lokomotiven, wagen u. bergbahnen: geschichtliche entwicklung in der Maschinenfabrik Esslingen seit dem jahre 1846 | | 1924 | Max. Mayer | | | | | |
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| Longs peak: its story and a guide for climbing it | | 1946 | Paul W. (Paul William) Nesbit | | | | | |
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| Look homeward, angel: a story of the buried life | | 1929 | Thomas Wolfe | | | | | |
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| Lost Pond | | 1915 | Henry Abbott | | | | | |
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| The lure of the Great Smokies | | 1927 | Robert Lindsay Mason | | | | | |
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| Mai-Dee of the mountains: a story of present-day China | | 1933 | Mary Brewster Hollister | | | | | |
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| The maid of the mountain: a romance of the California wilderness | | 1925 | James Reynolds, Jackson Gregory | | | | | |
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| The man on horseback: a story of life among the West Virginia hills | | 1921 | F. F. (Floyd Forney) Farnsworth | | | | | |
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| Married sweethearts: a romance of the Rockies | | 1928 | Alfred Osmond | | | | | |
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| The master of the hills: a tale of the Georgia mountains | | 1917 | Sarah Johnson Cocke | | | | | |
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| Meine berge: das bergbuch | | 1935 | Walter Schmidkunz, Luis Trenker | | | | | |
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| Minya Gongkar | | 1933 | Arnold Heim | | | | | |
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| Montagne | | 1930 | Mme Andrée Martignon | | | | | |
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| Montagnes | | 1931 | Marcel Rouff | | | | | |
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| Monts sacrés | | 1933 | | | | | | |
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| More Pennsylvania mountain stories | | 1912 | C. H. Shearer, Henry W. Shoemaker | | | | | |
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| Mount McKinley and mountain climbers' proofs | | 1914 | Edwin Swift Balch | | | | | |
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| Mount Rainier, a record of exploration | | 1916 | G. O. Smith, G. Vancouver, W. F. Tolmie | | | | | |
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| Mountain geography: a critique and field study | | 1936 | Roderick Peattie | | | | | |
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| Mountain justice: a tale of the Cumberlands | | 1935 | Charles Neville Buck | | | | | |
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| Mountain madness | | 1922 | Helen Hamilton | | | | | |
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| The mountain that was "God": being a little book about the great peak which the Indians named "Tacoma," but which is officially called "Rainier," | 2d ed. rev. and greatly enl., | 1911 | John H. (John Harvey) Williams | | | | | |
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| Mountaineering and exploration in the Selkirks: a record of pioneer work among the Canadian Alps, 1908-1912 | | 1914 | Howard Palmer | | | | | |
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| Mountaineering in the Sierra Nevada | | 1935 | Francis Peloubet Farquhar, Clarence Kingedited, Clarence King | | | | | |
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| Mountaineering in the Sierra Nevada | | 1902 | Clarence King | | | | | |
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| The mountains and other nature sketches | | 1920 | Olin Alfred Curtis | | | | | |
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| My heart in the hills | | 1925 | Charles Hansen | | | | | |
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| My mountain tops: the romance of a journey across the Canadian Rockies | | 1912 | Lalah Ruth. Randle | | | | | |
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| My mountains | | 1921 | Roselle Theodore Cross | | | | | |
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| My summer in the Alps, 1913 | | 1914 | William Williams | | | | | |
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| The naked mountain | | 1933 | Elizabeth Knowlton | | | | | |
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| Narrative of a journey to the summit of Mont Blanc: made in July, 1819 | | 1821 | William Howard | | | | | |
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| North Mountain mementos: legends and traditions gathered in northern Pennsylvania | | 1920 | Katherine H. (Katherine Hood) McCormick, J. Wesley (John Wesley) Little, Henry W. Shoemaker | | | | | |
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| Northern Rocky Mountain trees and shrubs | | 1930 | J. E. (Joseph Edward) Kirkwood, Mrs. Kirkwood | | | | | |
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| Notes on electricity | | 1891 | Xavier Hommaire de Hell, Adèle Hommaire de Hell | | | | | |
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| Où le père a passé | | 1928 | Pierre Henri Puiseux | | | | | |
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| Old Indian trails: incidents of camp and trail life, covering two years exploration through the Rocky Mountains of Canada | | 1911 | Mary T. S. Schaffer, Mrs Mary T S. Schäffer | | | | | |
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| On the roof of the Rockies: the great Columbia icefield of the Canadian Rockies | | 1925 | Lewis R. (Lewis Ransome) Freeman | | | | | |
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| One hundred years in the Cumberland mountains along the continental line | | 1934 | Albert Ross Hogue | | | | | |
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| The only Nancy: a tale of the Kentucky mountains | | 1917 | Francis George | | | | | |
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| The ordeal: a mountain romance of Tennessee | | 1912 | Charles Egbert Craddock | | | | | |
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| The Oregon trail: sketches of prairie and Rocky Mountain life | | 1912 | Marion G. Eaton, Francis Parkman | | | | | |
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| The Oregon trail | | 1910 | Clarence Walton Vail, Francis Parkman | | | | | |
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| Our greatest mountain: a handbook for Mount Rainier national park | | 1925 | F. W. (Floyd Wilfred) Schmoe | | | | | |
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| Our greatest mountain and alpine wonders | | 1918 | Albert Henry Barnes | | | | | |
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| Out of the Ozarks | | 1908 | William N. (William Nelson) Ruggles | | | | | |
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| The outcast: a tale of the mountain people | | 1913 | Charles Edward Hewitt, Isabella Morton | | | | | |
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| Outdoors in the Cumberlands | | 1933 | Robert Sparks Walker | | | | | |
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| Over Tyrolese hills | | 1936 | Francis Sydney Smythe | | | | | |
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| An Ozark anthology | | 1940 | Vance Randolph | | | | | |
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| Ozark mountain folks | | 1932 | Vance Randolph | | | | | |
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| Pacific crest trails from Alaska to Cape Horn | Enl., rev. ed. | 1948 | Joseph T. Hazard | | | | | |
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| Palomar from tepee to telescope | | 1937 | Catherine M. Wood | | | | | |
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| Parmi la jeunesse russe--de Moscou au Caucase | | 1932 | Ella Maillart | | | | | |
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| The past and present of the Pike's peak gold regions | | 1932 | LeRoy R. (LeRoy Reuben) Hafen, Henry Villard | | | | | |
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| Paysages romanesques des Alpes | | 1925 | Henry Bordeaux | | | | | |
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| Peaks and people of the Adirondacks | | 1927 | Russell M. L. (Russell Mack Little) Carson | | | | | |
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| Pennsylvania mountain stories | | 1908 | Henry W. Shoemaker | | | | | |
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| Pike's Peak gold rush guidebooks of 1859 | | 1941 | Luke D. Tierney, William B. (William Bostwick) Parsons, LeRoy R. (LeRoy Reuben) Hafen | | | | | |
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| Pike's Peak ... or busted!: Frontier reminiscences | | 1954 | William Hawkins Hedges | | | | | |
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| The Pike's Peak region, nature's beauty spot | | 1914 | | | | | | |
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| "Pikes Peak or bust" | | 1922 | John, John. O'Byrne | | | | | |
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| The Pikes Peak region: reproductions from a series of photographs | | 1926 | Laura Gilpin | | | | | |
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| The pilots' book of Everest | | 1936 | Lt., Squadron Leader, Flight Lieutenant D. F. M'Intyre | | | | | |
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| The pilots' book of Everest | | 1936 | Lt., Squadron Leader, Flight Lieutenant D. F. M'Intyre | | | | | |
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| The pioneer photographer: Rocky mountain adventures with a camera | | 1929 | William Henry Jackson, Howard R. (Howard Roscoe) Driggs | | | | | |
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| Pioneering at Rowan-wood | | 1927 | Henry Abbott | | | | | |
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| Pokey Ikey: a story of a mountaineer | | 1917 | Marion B. Davis | | | | | |
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| Puna de Atacama | | 1933 | Walther Penck | | | | | |
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| The Red Swan's Neck: a tale of the North Carolina mountains | | 1911 | David Reed Miller | | | | | |
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| Reise in den Andes von Chile und Argentinien | | 1888 | Paul Güssfeldt | | | | | |
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| Roaming the Rockies: through national parks and national forests of the Rocky mountain wonderland | | 1930 | John T. (John Thomson) Faris | | | | | |
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| A Rocky Mountain feud | | 1910 | Hattie Horner Louthan | | | | | |
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| The Rocky Mountain wonderland | | 1915 | Enos Abijah Mills | | | | | |
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| Rod, gun, and palette in the high Rockies: being a record of an artist's impressions in the land of the Red gods | | 1914 | James Blomfield | | | | | |
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| Romances of the Rockies | | 1907 | Lelah Palmer Morath | | | | | |
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| Rufus B. Sage: his letters and papers, 1836-1847 | | 1956 | Rufus B. Sage | | | | | |
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| Russische Skizzen | | 1925 | Erich Obst | | | | | |
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| Saddle and camp in the Rockies: an expert's picture of game conditions in the heart of our hunting country | | 1911 | Dillon Wallace | | | | | |
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| Schnee, sonne und ski: ein buch über den frühling im hochgebirge | | 1926 | Henry Hoek | | | | | |
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| Scout naturalists in the Rocky mountains | | 1932 | Alger Judson Fast, Dr. John C. Merriam, Donald Greame Kelley | | | | | |
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| A search for the apex of America: high mountain climbing in Peru and Bolivia including the conquest of Huascaran, with some observations on the country and people below | | 1911 | Annie S. (Annie Smith) Peck | | | | | |
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| Sechs jungens tippeln zum Himalaja | | 1932 | Hans Queling | | | | | |
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| The shameless diary of an explorer | | 1907 | Robert Dunn | | | | | |
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| Six mois dans les Montagnes-Rocheuses: Colorado-Utah-Nouveau-Mexique | | 1890 | Honoré Beaugrand, Honoré Beaugrand | | | | | |
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| Some mountain views | | 1933 | Dudley Leavitt Pickman | | | | | |
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| South Mountain sketches: folk tales and legends collected in the mountains of southern Pennsylvania | | 1920 | Henry W. Shoemaker, Henry | | | | | |
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| The spell of the Rockies | | 1911 | Enos Abijah Mills | | | | | |
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| Spoken in Tibet | | 1933 | Mrs Henrietta Sands Merrick | | | | | |
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| The story of a pass in the Aidrondacks | | 1917 | A. L. (Arthur Lester) Byron-Curtiss | | | | | |
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Public Domain Books