University of Illinois Urbana-Champaign

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Showing 331–360 of 547 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 The Mecoptera, or Scorpionflies, of Illinois
The Mecoptera, or Scorpionflies, of Illinois
Webb, Donald W.; Penny, Norman D.; Marlin, John C.

Thumbnail for Annual register. 1907-1908
Annual register. 1907-1908
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1908-1909
Annual register. 1908-1909
University of Illinois at Urbana-Champaign