On some small collections of inland shells from South America / Fritz Haas.

v.34:no.35(1955)

New and imperfectly known small mammals from Africa, by Wilfred H. Osgood.

v.20:no.21(1936)

Intraspecific and interspecific variation in the Cryptotis nigrescens species complex of small-eared shrews (Insectivora, Soricidae) : with the description of a new species from Colombia / Neal Woodman, Robert M. Timm.

n.s. no.74(1993)