Warblers in Your Pocket: A Guide to the Wood-Warblers of the Upper Midwest
Effects of Weather on Breeding Ducks in North Dakota
Hammond, Merrill C.; Douglas H. Johnson
Rearing and Restoring Giant Canada Geese in the Dakotas
Lee, Forest B.
A Biological Survey of North Dakota. NAF #49
A Manual for the Identification of the Birds of Minnesota and Neighboring States
Roberts, Thomas S.
Midwestern Birds Backyard Guide: Bird Watchers Digest Backyard Guides
Bill Thompson III
A Preliminary Survey of the Bird Life of North Dakota
Wood, Norman A.
Fifty Common Birds of the Upper Midwest
Fifty Uncommon Birds of the Upper Midwest
Illustrations by GARDNER, Dana
Griffiths' Guide To Western Dakota Birding
Griffiths, Dave & Carolyn