History 121 Motion picture industry 39 Motion pictures 30 Social conditions 30 Social aspects 19 Mexican Americans 16 Race relations 16 more ... History and criticism 13 Motion picture producers and directors 13 African Americans 12 Politics and government 11 Ethnic relations 10 Ethnic identity 9 Motion picture actors and actresses 8 Screenwriters 8 Social life and customs 8 history 8 Immigrants 7 American literature 6 Manners and customs 6 Motion picture studios 6 Popular culture 6 Production and direction 6 Women in the motion picture industry 6 Blacklisting of authors 5 Economic conditions 5 Emigration and immigration 5 Hispanic Americans 5 History, 20th Century 5 Intellectual life 5 less ...