How to know the birds: a simple aid to bird recognition /
Peterson, Roger Tory, 1908-1996.
How to know the birds: a simple aid to bird recognition / Roger Tory Peterson - Boston, Houghton Mifflin Co., 1949. - 144 p. illus. (part col.) 20 cm.
49007708
Pássaros--Estados Unidos.
Birds--United States.
QL676 / .P46
598
How to know the birds: a simple aid to bird recognition / Roger Tory Peterson - Boston, Houghton Mifflin Co., 1949. - 144 p. illus. (part col.) 20 cm.
49007708
Pássaros--Estados Unidos.
Birds--United States.
QL676 / .P46
598