Keith R. Kelson

Littérature

The Subspecies of the Mexican Red-bellied Squirrel, Sciurus aureogaster

Keith R. Kelson

Littérature

A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller

E. Raymond (Eugene Raymond) Hall, Keith R. Kelson

Littérature

Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits

E. Raymond (Eugene Raymond) Hall, Keith R. Kelson