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Critical trends assessment Program 2003-04 report
Communication from the Governor, transmitting several reports relative to the Geological Survey of the State [1836-1840
Type specimens of birds in the American Museum of Natural History. Eurylaimidae, Dendrocolaptidae, Furnariidae, Formicariidae, Conopophagidae, and Rh…
Waterfowl of Illinois : status and management, W-110-R-1, annual federal aid performance report, 1 July 1990 through 30 June 1991
Geology of Wisconsin. Survey of 1873-1879
The fishes of Illinois
Biological notes