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

The University of Kansas science bulletin.

v.38:pt.2 (1958)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.22:no.4(1940)

Notes on rodents of the genus Gerbillus (Mammalia: Muridae: Gerbillinae) from Morocco / Douglas M. Lay.

v.65:no.8(1975)

The nature of shield abnormalities in the turtle shell / [by] Rainer Zangerl -- and Ralph G. Johnson --.

v.10:no.29(1957)