All About Birds: Midwest US and Canada

Cornell Lab of Ornithology

Finding Birds in Southern Illinois

Detwiler, Henry D.

Wild Birds in CityParks [Revised Edition]

Walter, Alice and Herbert

Biennial Report of the Commissioner of Fisheries and Game for Indiana 1908

Sweeney, Z.T. [Commissioner]

Endangered and Disappearing Birds of the Midwest

Williams, Matt

Finding Birds in Jackson County, Illinois

DETWILER, Henry

New Acarina. Parts I and II

Ewing, H.E.

A Comparative Study of Bird Populations in Illinois, 1906-1909 and 1956-1958

Graber, Richard R.; Jean W. Graber

American Birding Association Field Guide to Birds of Illinois

Michael L. P. Retter

Vascular Plants of Illinois

Jones, George Neville; George Damon Fuller

New Records for Illinois Vascular Plants

Winterringer, Glen S.

Warblers in Your Pocket: A Guide to the Wood-Warblers of the Upper Midwest

Gardner, Dana