University of Illinois Urbana-Champaign

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Showing 31–60 of 8,993 items
Thumbnail for Fertilization of Established Trees: a Report of Field Studies
Fertilization of Established Trees: a Report of Field Studies
Neely, Dan; Himelick, Eugene Bryson; Crowley, Webster R., Jr.

Thumbnail for The life of Jesse W. Fell
The life of Jesse W. Fell
Morehouse, Frances Milton Irene

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.