University of Illinois Urbana-Champaign

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Showing 1681–1710 of 1,983 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 Faculty publications and doctoral dissertations. 1968-1970
Faculty publications and doctoral dissertations. 1968-1970
University of Illinois at Urbana-Champaign

Thumbnail for ORER letter. 1-6
ORER letter. 1-6
Submitter: Howard Ding