A field guide to the birds : a completely new guide to all the birds of eastern and central North America /
text and ill. by Roger Tory Peterson ; maps by Virginia Marie Peterson.
- 4th ed., completely rev. and enl.
- Boston : Houghton Mifflin Co., 1980.
- 384 p. : ill. ; 19 cm.
- The Peterson field guide series ; 1 .
Includes index. "Sponsored by the National Audubon Society and National Wildlife Federation."