University of Illinois Urbana-Champaign

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Showing 91–120 of 174 items
Thumbnail for Pesticides and Environmental Quality in Illinois
Pesticides and Environmental Quality in Illinois
Metcalf, Robert L.; Sanborn, James R.

Thumbnail for Illinois birds: Hirundinidae
Illinois birds: Hirundinidae
Graber, Richard Rex; Graber, Jean Weber; Kirk, Ethelyn L.

Thumbnail for Waterfowl Populations and the Changing Environment of the Illinois River Valley
Waterfowl Populations and the Changing Environment of the Illinois River Valley
Bellrose, Frank Chapman; Paveglio, Fred, L. Jr.; Steffeck, Donald W.

Thumbnail for The Reproductive Cycle of the Raccoon in Illinois
The Reproductive Cycle of the Raccoon in Illinois
Sanderson, Glen C.; Nalbandov, A.V.

Thumbnail for Sex Ratios and Age Ratios in North American Ducks
Sex Ratios and Age Ratios in North American Ducks
Bellrose, Frank Chapman; Scott, Thomas G.; Hawkins, Arthur Stuart; Low, Jessop B.

Thumbnail for Commencement program. 1930/31
Commencement program. 1930/31
University of Illinois at Urbana-Champaign

Thumbnail for The Mecoptera, or Scorpionflies, of Illinois
The Mecoptera, or Scorpionflies, of Illinois
Webb, Donald W.; Penny, Norman D.; Marlin, John C.

Thumbnail for 125 years of biological research 1858-1983: a symposium
125 years of biological research 1858-1983: a symposium
Godfrey, George Lawrence; Bouseman, John K.; Edwards, William R.; Robertson, Kenneth, R.; Zewadski, Robert M.

Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources

Thumbnail for Commencement program. 1946-1951
Commencement program. 1946-1951
University of Illinois at Urbana-Champaign