History of the Expedition under the command of Captains Lewis and Clark to the sources of the Missouri, thence across the Rocky Mountains, and down the river Columbia to the Pacific Ocean. Performed during the years 1804-5-6 ... Prepared for the press by Paul Allen. [By N. Biddle. Based on manuscript material of Meriwether Lewis, William Clark, and others, and oral information of William Clark.].

by Meriwether Lewis