Subject
West (U.S.) History
362
Frontier and pioneer life
128
West (U.S.) Description and travel
43
History
38
Indians of North America Wars
30
Overland journeys to the Pacific
29
United States Territorial expansion
24
West (U.S.)
23
Indians of North America History
20
Pioneers
19
West (U.S.) Social life and customs
19
Indians of North America
18
West (U.S.) Discovery and exploration
18
American literature History and criticism
17
West (U.S.) In literature
16
Railroads History
14
United States History
14
Women History
14
Water resources development History
13
Cowboys History
10
Fur trade
9
Oregon National Historic Trail
9
Reclamation of land History
9
Women pioneers
9
Cowboys
8
Crime
8
Fur trade History
8
Military life
8
Mississippi River Valley History
8
Outlaws
8
West (U.S.) Economic conditions
8
West (U.S.) Politics and government
8
Historic sites
7
Ranch life History
7
West (U.S.) Social conditions
7
Cattle trade History
6
Colorado History
6
Water rights History
6
West (U.S.) History, Local
6
West (U.S.) Intellectual life
6
West (U.S.) Race relations
6
Western stories History and criticism
6
American bison
5
Explorers
5
Frontier and pioneer life in literature
5
Irrigation Government policy History
5
Irrigation History
5
Southwest, New History
5
West (U.S.) Historiography
5
West (U.S.) History, Military
5
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