1954. Remarks on evolution of color pattern in the gossei group of the frog genus Eleutherodactylus. Ann. Carnegie Mus., 33:185-195, June 4.
Goldman, E. A.
1951. Biological investigations in Mexico. Smithsonian Misc. Coll., 115, xii + 476 pp., July 31.
Guzmán-Rivas, P.
1957. Rainfall analysis for some stations in southwest Mexico. In Brand, Coastal study of southwest Mexico, Part I. Univ. Texas, Austin, xii + 140 pp., June 15.
Horowitz, S. B.
1955. An arrangement of the subspecies of the horned toad, Phrynosoma orbiculare (Iguanidae). Amer. Midl. Nat., 54:209-218, July.
Klauber, L. M.
1945. The geckos of the genus Coleonyx with descriptions of new subspecies. Trans. San Diego Soc. Nat. Hist., 10:133-216, March 9.
1952. Taxonomic studies of the rattlesnakes of Mainland Mexico. Bull. Zool. Soc. San Diego, 26:1-143, August 8.