A checklist of the herpetofauna of Guatemala.
Ann Arbor: Museum of Zoology, University of Michigan, 1963. Octavo, map, softcover.
Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 122.
Ann Arbor: Museum of Zoology, University of Michigan, 1963. Octavo, map, softcover.
Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 122.