Great Plains Birds
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
A Biological Survey of North Dakota. NAF #49
A Manual for the Identification of the Birds of Minnesota and Neighboring States
Roberts, Thomas S.
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