Other
Economic conditions
Social life and customs
Politics and government
14
History
10
Social conditions
8
Manners and customs
7
Conditions économiques
6
Economic history
6
Politique et gouvernement
5
Conditions sociales
4
Description and travel
4
Intellectual life
4
Mœurs et coutumes
3
Vie intellectuelle
3
African Americans
2
Civilization
2
Depressions
2
Economics
2
Germans
2
Iron industry and trade
2
Kurds
2
National characteristics, American
2
Politics
2
Social Conditions
2
history
2
Anthracite coal industry
1
British
1
Businessmen
1
Cities and towns
1
City and town life
1
Civilisation
1
Coal miners
1
Coal mines and mining
1
Conservation and restoration
1
Consumption (Economics)
1
Curricula
1
Dwellings
1
Economic aspects
1
Education
1
Educational films
1
Emigration and immigration
1
Ethnic groups
1
Ethnic restaurants
1
Ethnicity
1
Families
1
Family
1
Filmed lectures
1
Foreign opinion, French
1
Frontier and pioneer life
1
Gentry
1
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