Mammals

The Grizzly, Our Greatest Wild Animal

Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas

Sharp Eyes, the Silver Fox: His Many Adventures

Animal Locomotion; or, walking, swimming, and flying

Animal Intelligence

American Big-Game Hunting: The Book of the Boone and Crockett Club

The Voice of the Pack

Blazed Trail Stories and Stories of the Wild Life

A Treatise on Sheep

Natural History of the Ground Squirrels of California

The Accomplished Muskrat Trapper: A Book on Trapping for Amateurs

Hunting the Grisly and Other Sketches

The Indian in his Wigwam; Or, Characteristics of the Red Race of America

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

The Courtship of Animals

Notes on the Mammals of Gogebic and Ontonagon Counties

The Story of a Red Deer