Books by Robert Asa Cushman:
Books in the extended shelves:
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Cushman, Robert Asa, 1880-: Descriptions of new North American ichneumon-flies (1920), also by United States National Museum (page images at HathiTrust)- Cushman, Robert Asa, 1880-: Descriptions of six new species of ichneumon-flies (1915) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: Eight new species of reared ichneumon-flies, with notes on some other species (1917), also by United States National Museum (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: Holarctic tribes of the ichneumon-flies of the subfamily Ichneumoninae (Pimplinae) (1921), also by S. A. Rohwer (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: Hymenoptera : [a collection of articles from miscellaneous surces (Pennsylvania Bureau of Plant Industry, 1913), also by Alfred B. Champlain and S. A. Rohwer (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: Miscellaneous notes and descriptions of ichneumon-flies (G.P.O., 1927) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: New species of ichneumon-flies with taxonomic notes (1922) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: North American ichneumon-flies, new and described, with taxonomic and nomenclatorial notes ([s.n.], 1921) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: The North American ichneumon-flies of the tribe Acoconitini. (Washington, 1921), also by S. A. Rohwer (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: The North American ichneumon-flies of the tribe Ephialtini. (Washington, 1921) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: North American ichneunon-flies of the genera Clistopyga and Schizopyga. (Washington, 1922) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: A revision of hymenopterous insects of the tribe Cremastini of America north of Mexico (1917) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: A revision of the North American ichneumon-flies of the genus Mesostenus and related genera (U.S. Govt. Print. Off., 1929) (page images at HathiTrust)
- Cushman, Robert Asa, 1880-: Thersilochus conotracheli, a parasite of the plum curculio. (1916) (page images at HathiTrust)
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