1942. The Ohio Recent mammal collection in the Cleveland Museum of Natural History. Sci. Publs. Cleveland Mus. Nat. Hist., 5:83-181, September 11.

Davis, W. B.

1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, December 12.

Findley, J. S.

1953. Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico. Univ. Kansas Publ., Mus. Nat. Hist., 5:635-639, December 1.

Jackson, H. H. T.

1928. A taxonomic review of the American long-tailed shrews (Genera Sorex and Microsorex). N. Amer. Fauna, 51:I-VI, 1-238, 13 pls., 24 text figs., July 24.

Koestner, E. J.

1941. An annotated list of mammals collected in Nuevo Leon, Mexico, in 1938. Great Basin Nat., 2:9-15, February 20.

Twente, J. H., and R. H. Baker.