Subject
History
Frontier and pioneer life
32
Indians of North America
30
Wars
16
Description and travel
11
Generals
6
Irish Americans
5
Military life
5
Cowboys
4
History, Military
4
Pioneers
4
Discovery and exploration
3
Explorers
3
Firearms
3
Gold discoveries
3
Government relations
3
Overland journeys to the Pacific
3
Travel
3
Biography
2
Entertainers
2
Fur trade
2
Fur traders
2
Histoire
2
Immigrants
2
In literature
2
Indiens d'Amérique
2
Landscape photography
2
Little Bighorn, Battle of the, Mont., 1876
2
Mineral industries
2
Mines and mineral resources
2
Mormons
2
Photographers
2
Photography
2
Ranch life
2
Social life and customs
2
Territorial expansion
2
Abolitionists
1
Adventure and adventurers
1
American drama
1
Apache Indians
1
Art, American
1
Artists
1
Authors, American
1
Autobiography
1
Bataille de Wounded Knee, Dak. du S., 1890
1
Bear River Massacre, Idaho, 1863
1
Black Hills War, 1876-1877
1
Businessmen
1
Catholics
1
Cavalry operations
1
more ...