Burt, William Henry
A field guide to the mammals : field marks of all North American species found north of Mexico
Houghton Miffiln, 1976
 Buku Referensi
Clark, William S.
A field guide to hawks North America
Houghton-Miffiln, 1987
 Buku Teks
Laboratory manual for biology of animals
by Margaret J. Hartman [and others]
Kendall/Hunt, 1976
 Buku Teks
Robins, C. Richard
A field guide to Atlantic Coast fishes: North America
Houghton-Miffiln, 1986
 Buku Teks
Borror, Donald J.
A field guide to the insects of America north of Mexico
Houghton Mifflin, 1976
 Buku Referensi