University of Illinois Urbana-Champaign

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Showing 391–420 of 547 items
Thumbnail for A directory of Illinois systematists, ecologists, and field biologists
A directory of Illinois systematists, ecologists, and field biologists
Burton, Philip J.; Dennis, Ann; Robertson, Kenneth R.

Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Annual register. 1917-18
Annual register. 1917-18
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1918-19
Annual register. 1918-19
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1919-20
Annual register. 1919-20
University of Illinois at Urbana-Champaign