Search Results for the EPA National Library Catalog

Items Found: 7

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Your Search: (AUTHOR=Ross AND Herbert AND Holdsworth)


Select Item Title Year Published
Caddis flies, or Trichoptera, of Illinois 1944
Classification, evolution, and dispersal of the winter stonefly genus Allocapnia 1971
Evolution and classification of the mountain caddisflies. 1956
How to collect and preserve insects 1962
Synopsis of common and economic Illinois ants, with keys to the genera (Hymenoptera, formididae) 1971
Textbook of entomology. 1948
The caddis flies, or Trichoptera, of Illinois 1972

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