History 2,568 Social conditions 1,028 Histoire 1,021 Documentary films 738 Politics and government 653 Social aspects 626 Social life and customs 563 more ... Economic conditions 367 Environmental aspects 345 Women 338 Conditions sociales 320 African Americans 312 History and criticism 279 World War, 1939-1945 277 Politique et gouvernement 249 Aspect social 237 Motion pictures 236 Manners and customs 233 Race relations 229 Economic aspects 223 Religious aspects 218 Psychological aspects 216 Political aspects 199 Production and direction 197 Description and travel 194 Artists 177 Motion picture producers and directors 174 Moral and ethical aspects 169 Emigration and immigration 168 Travel 166 less ...