Subject
United States Discovery and exploration
18
Indians of North America
6
Indians of North America Wars
6
West (U.S.) Description and travel
5
Colorado River (Colo.-Mexico)
4
Geology
4
Southwest, New Description and travel
4
United States Boundaries
4
Habeas corpus
3
Martial law
3
Mexico Boundaries
3
Pacific Coast Indians, Wars with, 1847-1865
3
Black Hills (S.D. and Wyo.)
2
California, Gulf of (Mexico)
2
Dakota Indians
2
Fetterman Fight, Wyo., 1866
2
Government publications
2
Indians of North America Government relations
2
Missions
2
Natural history
2
Pacific States
2
Pacific States Description and travel
2
Postal service
2
Roads
2
Rocky Mountains
2
Trails
2
Alaska Commerce
1
Alaska Description and travel
1
Alaska Economic conditions
1
Arizona Description and travel
1
Arkansas
1
Botany
1
California
1
California History
1
California Politics and government
1
Columbia River Valley
1
Great Salt Lake (Utah)
1
Justice, Administration of
1
Land grants
1
Land titles
1
Mexican War, 1846-1848 Campaigns
1
Mexican War, 1846-1848 Peace
1
Mexican War, 1846-1848 Regimental histories
1
Mexico Commerce
1
Military roads
1
Mines and mineral resources
1
Minnesota Description and travel
1
Missouri
1
Missouri Commerce
1
New Mexico Description and travel
1
more ...