College zoology - Hegner, Robert William, 1880-1942; Stiles, Karl Amos, 1897-1968 (Macmillan, 1959)
Eighth ed. by K. A. Stiles, R. W. Hegner, and R. A. Boolootian; 9th ed. by R. A. Boolootian and K. A. Stiles