University of Illinois Urbana-Champaign

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Showing 331–360 of 873 items
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 Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Alumni news letter / no. 91-100
Alumni news letter / no. 91-100
University of Illinois at Urbana-Champaign. Library School

Thumbnail for News letter / 1974-87
News letter / 1974-87
University of Illinois at Urbana-Champaign. Library School Association

Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Science fiction and the theatre
Science fiction and the theatre
Willingham, Ralph Allen