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Authors whose works are in public domain in at least one jurisdiction

List of works by Herbert Holdsworth Ross

A generic classification of the Nearctic sawflies (Hymenoptera, Symphyta) ⬇️

Urbana, Ill., 1937

A synopsis of common and economic Illinois ants, with keys to the genera (Hymenoptera, formididae) ⬇️

Urbana, Ill., Natural History Survey Division1971.

A synopsis of the mosquitoes of Illinois (Diptera, Culicidae) ⬇️

Urbana: State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1965.

How to collect and preserve insects ⬇️

Urbana, 1934.

How to collect and preserve insects ⬇️

Urbana, 1962.

How to collect and preserve insects ⬇️

Urbana, 1949.

The Dunesland heritage of Illinois ⬇️

Urbana, 1963.

The classification, evolution, and dispersal of the winter stonefly genus Allocapnia ⬇️

Urbana, University of Illinois Press[1971]

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