Ducks, geese & swans of North America : a completely new and expanded version of the classic work by F. H. Kortright /
by Frank C. Bellrose, with the assistance of Glen C. Sanderson, Helen C. Schultz, and Arthur S. Hawkins ; ill. by T. M. Shortt and Frank C. Bellrose, Jr.
- 2d ed.
- Harrisburg, Pa. : Stackpole Books, c1976.
- 543 p., [18] leaves of plates : ill. (some col.), maps ; 27 cm.
"A Wildlife Management Institute book sponsored jointly with the Illinois Natural History Survey." Includes index.
Bibliography: p. 474-495.
0811705358
cn 77019310
C77-19310-2
Waterfowl--North America. Birds--North America. Gibier d'eau--Amérique du Nord. Oiseaux--Amérique du Nord.