The life of birds /
Welty, Joel Carl, 1901-
The life of birds / Joel Carl Welty - 3rd ed. - Philadelphia : Saunders College Pub., 1982 - xiv, 754 p. : ill. ; 25 cm.
Includes index Bibliography: p. 652-716
0030579171
81-52678
Birds
The life of birds / Joel Carl Welty - 3rd ed. - Philadelphia : Saunders College Pub., 1982 - xiv, 754 p. : ill. ; 25 cm.
Includes index Bibliography: p. 652-716
0030579171
81-52678
Birds
