Patrick Gass

Gass's Journal of the Lewis and Clark Expedition

Lewis and Clarke's Journal

Lewis and Clark's Journal to the Rocky Mountains in the Years 1804, -5, -6; As Related by Patrick Gass, One of the Officers in the Expedition

A journal of the voyages and travels of a corps of discovery,

Journal of the Lewis and Clark Expedition, Reprinted From the Edition of 1811, With Facsimiles of the Original Title-page and the Five Original ... of the Lewis and Clark Route, With an Analy

Lewis and Clark's Journal to the Rocky Mountains in the Years 1804, -5, -6

Journal of the Voyages and Travels of a Corps of Discovery, under the Command of Captain Lewis and Captain Clarke, of the Army of the United States