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Life in the Rocky mountains;a diary of wanderings on the sources of the rivers Missouri Columbia and Colorado from February 1830 to November 1835BookBằng Ferris, Warren Angus, 1810-1873
Được phát hành 1940 -
Bằng Owen, John, 1818-1889
Được phát hành 1927 -
Bằng Walker, Elkanah, 1805-1877
Được phát hành 1930 -
The journal of John Worka chief-trader of the Hudson's bay co during his expedition from Vancouver to the Flatheads and Blackfeet of the Pacific NorthwestBookBằng Work, John, 1792-1861
Được phát hành 1923 -
Forty years on the frontier as seen in the journals and reminiscences of Granville Stuartgold-miner trader merchant rancher and politicianBookBằng Stuart, Granville, 1834-1918
Được phát hành 1925