Subject
Gold discoveries
History
99
Gold mines and mining
63
Frontier and pioneer life
57
Description and travel
49
Overland journeys to the Pacific
35
Travel
20
Pioneers
18
Gold miners
14
Social aspects
12
Voyages to the Pacific coast
9
Women pioneers
8
Indians of North America
7
Social life and customs
7
History, Local
5
Mines and mineral resources
5
Slavery
5
Social conditions
5
Environmental aspects
4
African Americans
3
Americans
3
Emigration and immigration
3
Environmental conditions
3
Foreign relations
3
French
3
Mexican War, 1846-1848
3
Politicians
3
Art, American
2
Co-heirs
2
Cousins
2
Crimes against
2
Cultural assimilation
2
Diaries
2
Discovery and exploration
2
Ethnic identity
2
Extinct cities
2
Gold mines and mining in art
2
Indians, Treatment of
2
Middle class
2
Mining claims
2
Navigation
2
Politics and government
2
Prospecting
2
Ranch life
2
Ranchers
2
Regimental histories
2
Shipping
2
Silver mines and mining
2
Welsh
2
1840-1850
1
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