Outlines of the Earth's History

A Popular Study in Physiography

Fragments of Earth Lore

Sketches & Addresses Geological and Geographical

The Western United States

A Geographical Reader

The Geography of the Region about Devil's Lake and the Dalles of the Wisconsin

With Some Notes on Its Surface Geology

A Pilgrimage to Nejd, the Cradle of the Arab Race. Vol. 2 [of 2]

A Visit to the Court of the Arab Emir, and "our Persian Campaign."

The Earth as Modified by Human Action

Earth Features and Their Meaning

An Introduction to Geology for the Student and the General Reader

The Adventures of a Grain of Dust

The Red Man's Continent

A Chronicle of Aboriginal America

The Andes of Southern Peru

Geographical Reconnaissance along the Seventy-Third Meridian

A Pilgrimage to Nejd, the Cradle of the Arab Race. Vol. 1 [of 2]

A Visit to the Court of the Arab Emir, and "our Persian Campaign."

The Beauties of Nature, and the Wonders of the World We Live In

Cosmos

A Sketch of the Physical Description of the Universe, Vol. 1

Man and Nature; Or, Physical Geography as Modified by Human Action

Physical Geography