Environmental Protection

Underground Treasures: How and Where to Find Them

The Land's End: A Naturalist's Impressions In West Cornwall, Illustrated

The apiary; or, bees, bee-hives, and bee culture

Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus

Essays of a Biologist

Jungle Peace

The Grizzly, Our Greatest Wild Animal

The Cutting of the Forest

Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866–1879

Supplement to Animal Sanctuaries in Labrador

The Rocky Mountain Wonderland

The Book of the National Parks

Ferdinand Vandiveer Hayden and the Founding of the Yellowstone National Park

Grand Teton [Wyoming] National Park

Lobo, Rag and Vixen

Whitefoot the Wood Mouse

Our Common Land (and Other Short Essays)

African Nature Notes and Reminiscences

The Land of Little Rain

The Encantadas