Ploetz, Karl Julius, 1819–1881
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1893694A
- pdbooks.info ID: 35712
Karl Julius Ploetz Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Ploetz' manual of universal history | 1925 | Author | |  | | | | ||
| The world's story: a history of the world in story, song and art | 1918 | Author |  |  |  | | |    
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