History Motion pictures 49 Architecture 46 Politics and government 40 Social conditions 40 Documentary films 38 African Americans 36 more ... Social aspects 26 Race relations 23 Social life and customs 23 Feature films 21 Architects 20 World War, 1939-1945 18 Video recordings for the hearing impaired 16 Civil rights 15 Silent films 15 Artists 14 Civilization 14 Motion picture producers and directors 14 Architecture, Modern 13 Art 13 Man-woman relationships 13 Motion picture industry 13 Women 13 Kings and rulers 12 Buildings, structures, etc 11 Design and construction 11 Production and direction 11 Racism 11 Vietnam War, 1961-1975 11 less ...