The herpetology of Sinai, by Karl P. Schmidt and Hymen Marx.

v.39:no.4(1956)

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

4

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

3

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

2

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

4

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

1

On the batrachia and reptilia of Costa Rica : With notes on the herpetology and ichthyology of Nicaragua and Peru / by E. D. Cope.

2

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

5

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

1

On the batrachia and reptilia of Costa Rica : With notes on the herpetology and ichthyology of Nicaragua and Peru / by E. D. Cope.

1

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

3

North American herpetology : or, A description of the reptiles inhabiting the United States / by John Edwards Holbrook.

2

The herpetology of Cuba / by Thomas Barbour and Charles T. Ramsden.

v.47:no.2 (1919)

American herpetology, or, Genera of North American Reptilia : with a synopsis of the species /

Shoemaker