Environmental Protection

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

Underground Treasures: How and Where to Find Them

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

The Grizzly, Our Greatest Wild Animal

Essays of a Biologist

Jungle Peace

Supplement to Animal Sanctuaries in Labrador

The Cutting of the Forest

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

The Rocky Mountain Wonderland

Whitefoot the Wood Mouse

Lobo, Rag and Vixen

Ferdinand Vandiveer Hayden and the Founding of the Yellowstone National Park

God's Country: The Trail to Happiness

Our Common Land (and Other Short Essays)

The Land of Little Rain

Moths of the Limberlost: A Book About Limberlost Cabin

HENRY DAVID THOREAU – Ultimate Collection: 6 Books, 26 Essays & 60+ Poems, Including Translations. Biographies & Letters (Illustrated)

The Encantadas

Grand Teton [Wyoming] National Park