Mammals

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae

Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado

Wild Animals of North America

The Life Story of an Otter

KAZAN (Including the Sequel – Baree, Son Of Kazan)

John Muir: The Story of My Boyhood and Youth & Letters to a Friend (Illustrated Edition)

Lachesis Lapponica

The Man-Eaters of Tsavo

Taxidermy without a Teacher

Delineations of the Ox Tribe

Delineations of the Ox Tribe

On the Beliefs and Convictions of Guinea-Pigs

Sharp Eyes, the Silver Fox: His Many Adventures

The Field Guide to Horses

The Grizzly, Our Greatest Wild Animal

Last Chain on Billie

The Wool Industry a Global History