A field guide to the birds :
Peterson, Roger Tory,
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 .
"Sponsored by the National Audubon Society and National Wildlife Federation." Includes index.
0395266211
Birds--North America.
QL681.P4 1980
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 .
"Sponsored by the National Audubon Society and National Wildlife Federation." Includes index.
0395266211
Birds--North America.
QL681.P4 1980