History 530 Social conditions 282 Politics and government 189 Social life and customs 138 Social aspects 107 Women 104 Womyn 92 更多 ... Manners and customs 85 Economic conditions 72 World War, 1939-1945 71 History and criticism 55 African Americans 49 Music 49 Race relations 49 Vietnam War, 1961-1975 48 Motion picture producers and directors 44 Motion pictures 40 Description and travel 38 Civilization 37 Emigration and immigration 37 Government policy 33 Families 32 Racism 32 Rock musicians 32 Arab-Israeli conflict 31 Popular music 31 Production and direction 31 Psychological aspects 31 Jews 30 Human rights 29 少 ...