Oregon and Eldorado; or, Romance of the Rivers

First Across the Continent The Story of the Exploring Expedition of Lewis and Clark in 1804-5-6

The Discovery of Guiana

The Journals of Lewis and Clark, 1804-1806

Pathfinders of the West Being the Thrilling Story of the Adventures of the Men Who Discovered the Great Northwest: Radisson, La Vérendrye, Lewis and Clark

Lewis and Clark Meriwether Lewis and William Clark

The Columbia River: Its History, Its Myths, Its Scenery, Its Commerce

Across the Andes

The Guardians of the Columbia Mount Hood, Mount Adams and Mount St. Helens

The Gilded Man (El Dorado) and other pictures of the Spanish occupancy of America

Up the Amazon and Madeira rivers, through Bolivia and Peru