| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? |
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| A clergyman's son and daughter | | 1922 | Author | |  | | | |    
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| Fewer and better babies: birth control | | 1928 | Author | | | |  | |
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| Fewer and better babies: or, The limitation of offspring by the prevention of conception; the enormous benefits of the practice to the individual society and the race pointed out and all objections answered | | 1915 | Author | | | | | |
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| Happiness and how to attain it | | 1932 | Author | | | | | |
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| The humanitarian calendar and daily maxim book | | 1929 | Author | | | | | |
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| If I were God: a freethinker's faith, incorporating a discussion between the author and a Catholic priest | | 1930 | Author | | |  | | |
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| The law against abortion: its perniciousness demonstrated and its repeal demanded | | 1933 | Author | | | | | |
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| Love in the future | | 1929 | Editor | | | |  | |
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| Married love: or, Love in marriage | | 1927 | Author | | | | |  |
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| The menopause or change of life: woman's critical age, its dangers and disorders, their prevention and treatment | | 1923 | Author | | | | | |
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| The oldest profession in the world: prostitution, its underlying causes, its treatment and its future | | 1929 | Author | | | | | |
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| Our mysterious life glands and how they affect us: A popular treatise on our glands and their secretions--what they do to us, how they affect our health, growth, appearance, temper, mentality, and character; including the vitamins | | 1934 | Author | | | | | |
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| Patarimai moterims ir merginoms apie lyties dalykus autoriui leidus verte J. Barkus: Su paveikslais | | 1921 | Author | | | | | |
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| Patarimai vyrams apie lyties dalykus: su pamokinimais, kaip aiškinti vaikams lyties apsireiškimus, autoriui leidus vertē pranašas. Su paveikslais | | 1919 | Author | | | | | |
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| Practical eugenics: four means of improving the human race | | 1912 | Author | | | | | |
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| Practical prevenception | | 1929 | Author | | | | | |
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| Sex knowledge for men, including a program for sex education of a boy | | 1916 | Author | | | | | |
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| Sex knowledge for women and girls: what every woman and girl should know | | 1917 | Author | | | | | |
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| Sex morality: past, present, and future | | 1912 | Author | | | | | |
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| Sexual impotence: Robinson | [2d ed.] | 1913 | Author | | | | | |
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| Sexual impotence--Robinson | | 1923 | Author | | | | | |
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| Sexual impotence--Robinson | | 1933 | Author | | | | | |
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| Sexual problems of to-day | | 1912 | Author | | | | | |
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| Sexual truths versus sexual lies, misconceptions, and exaggerations | | 1919 | Editor | | | | | |
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| Stories of love and life: of fact and fancy woven | | 1913 | Author | | | | | |
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| A treatise on prescription incompatibilities and difficulties, including prescription oddities and curiosities for pharmacists and physicians and students in pharmacy and medicine | | 1919 | Author | | | | | |
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| The treatment of gonorrhea and its complications in men and women: for the general practitioner | | 1933 | Author | | | | | |
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| The treatment of gonorrhea and its complications in men and women: for the general practitioner | | 1915 | Author | | | | | |
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| A Voice in the Wilderness: A Magazine of Sane Radicalism | | 1920 | Author | | | | | |
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| What I believe | | 1927 | Author | | | | | |
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| Woman, her sex and love life | | 1917 | Author | | | | | |
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| The world's best books: a complete classified guide to selfculture | | 1929 | Author | | | | | |
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Public Domain Books