Gertsch, Willis John, 1906–1998
Nationality: 
(United States)
Identities and Authority Control
- Open Library: OL1171006A
- SSN: 100262232
- pdbooks.info ID: 167150
Willis John Gertsch Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| American spiders | 1949 | Author | |  | |  | | 
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| The spider book: a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits | 1940 | Editor | | | | | |
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