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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 -
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