History of the expedition under the command of Lewis and Clark : to the sources of the Missouri River, thence across the Rocky Mountains and down the Columbia River to the Pacific Ocean, performed during the years 1804-5-6, by order of the government of the United States
Lewis, Meriwether, 1774-1809; Clark, William, 1770-1838; Coues, Elliott, 1842-1899; Jefferson, Thomas, 1743-1826