Richard E. Blackwelder

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The Generic Names of the Beetle Family Staphylinidae (Classic Reprint): With an Essay on Genotypy: With an Essay on Genotypy (Classic Reprint)
Richard E. Blackwelder

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Guide to the Taxonomic Literature of Vertebrates
Blackwelder, Richard E.

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Classification of the Animal Kingdom
Richard E. Blackwelder (author)

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Fifth Supplement 1939 to 1947 (Inclusive) To the Leng Catalogye if Coleoptera of America, North of Mexico (Classic Reprint)
Richard E. Blackwelder

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The Diversity of Animal Reproduction
Blackwelder, Richard E.

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Checklist of the Coleopterous Insects of Mexico, Central America, the West Indies, and South America, Parts 1-6 (Bulletin (United States National Museum), 185, Pt. 1-6.)
Blackwelder, R. E.

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