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Henry R Wagner's The plains and the Rockies;a bibliography of original narratives of travel and adventure 1800-1865Bookby Wagner, Henry R. (Henry Raup), 1862-1957
Published 1937 -
The traila bibliography of the travelers on the overland trail to California Oregon Salt Lake City and Montana during the years 1841-1864Bookby Mintz, Lannon W., 1938-
Published 1987 -
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 Oceanperformed during the years 1804-5-6 by order of the government of the United StatesBookby Lewis, Meriwether, 1774-1809
Published 1893