Common Hawks and Owls of Iowa
Birds in Iowa
Kent, Thomas H. & James J. Dinsmore
The Raptorial Birds of Iowa
Bailey, Bert Heald
Endangered and Disappearing Birds of the Midwest
New Acarina. Parts I and II
Warblers in Your Pocket: A Guide to the Wood-Warblers of the Upper Midwest
A Manual for the Identification of the Birds of Minnesota and Neighboring States
Roberts, Thomas S.
A Revised List of the Birds of Iowa
The Raptors of Iowa
Landenberger, James F.;Roosa, Dean M.; Stravers, Jon W.;Ehresman, Bruce;Patterson, Rich
Birding Areas of Iowa
Petersen, Peter C.
Fifty Common Birds of the Upper Midwest