Esthetology

Grand Canyon Expedition

Sociology, or the Science of Institutions

Introduction to the Study of Indian Languages; with Words, Phrases, and Sentences to Be Collected

First Through the Grand Canyon

Mythologic Philosophy

Sketch of the Mythology of the North American Indians First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution

Canyons of the Colorado

Canyons of the Colorado, or the Exploration of the Colorado River and Its Canyons

On the Evolution of Language

Sketch of the Mythology of the North American Indians