History 170 Social conditions 38 Motion picture industry 32 Motion pictures 30 Race relations 24 Social aspects 23 Ethnic relations 22 more ... African Americans 20 Politics and government 20 Architecture 17 Mexican Americans 17 Art, American 14 Ethnic identity 14 History and criticism 14 Intellectual life 12 Buildings, structures, etc 9 Economic conditions 9 Japanese Americans 9 Social life and customs 9 City planning 8 Civil rights 8 Immigrants 8 Political aspects 8 Women in the motion picture industry 8 Civilization 7 Community life 7 Manners and customs 7 Motion picture actors and actresses 7 Art collections 6 Art museums 6 less ...