Welty, Joel Carl.
The life of birds / Joel Carl Welty. - 2nd ed. - Philadelphia : Saunders college publishing, c 1979. - xii, 623 p. : ill. ; 28 cm.
Includes index.
333 333
0-7216-9231-1
Birds.
568.2 / W467l
The life of birds / Joel Carl Welty. - 2nd ed. - Philadelphia : Saunders college publishing, c 1979. - xii, 623 p. : ill. ; 28 cm.
Includes index.
333 333
0-7216-9231-1
Birds.
568.2 / W467l