Amphibians and reptiles of Northern Coahuila, Mexico, by Karl P. Schmidt and David W. Owens.

v.29:no.6(1944)

Amphibians and reptiles of the Big Bend region of Texas, by Karl P. Schmidt and Tarleton F. Smith.

v.29:no.5(1944)

Karl Patterson Schmidt: anniversary volume in honor of his sixty-fifth birthday.

v.37(1955)

Reptiles of Marshall Field North Arabian desert expeditions, 1927-1928, by Karl P. Schmidt.

v.17:no.6(1930)

The amphibians and reptiles of British Honduras, by Karl P. Schmidt.

v.22:no.8(1941)

The colubrid snake, Psammophis schokari, from the Arabian Peninsula / Hymen Marx.

n.s. no.40(1988)

Reptiles and amphibians of the Mandel Venezuelan expedition, by Karl P. Schmidt.

v.18:no.7(1932)

Phyletic analysis of fifty characters of advanced snakes [by] Hymen Marx and George B. Rabb.

v.63(1972)

Notes on frogs of the genus Telmatobius, with descriptions of two new Peruvian species / Karl P. Schmidt.

v.34:no.26(1954)

Guatemalan salamanders of the genus Oedipus, by Karl P. Schmidt.

v.20:no.17(1936)

A new coral snake from British Guiana, by Karl P. Schmidt.

v.24:no.6(1939)

A new crocodile from New Guinea, by Karl P. Schmidt.

v.12:no.14(1928)

The herpetological fauna of the Salama Basin, Baja Verapaz, Guatemala, by Karl P. Schmidt and L. C. Stuart.

v.24:no.21(1941)

Reptiles collected in Salvador for the California Institute of Technology, by Karl P. Schmidt.

v.12:no.16(1928)

Notes on coral snakes from Mexico, by Karl P. Schmidt and Hobart M. Smith.

v.29:no.2(1943)