History 69 Social conditions 26 Social life and customs 25 Economic conditions 19 Politics and government 19 Manners and customs 13 Social aspects 13 more ... Civilization 12 Ethnic relations 12 Jews 11 Jewish refugees 10 Sino-Japanese War, 1937-1945 9 World War, 1939-1945 8 Foreign relations 7 Women 7 City planning 6 Economic history 6 Social change 6 City and town life 5 International relations 5 Cities and towns 4 Economic development 4 Political aspects 4 Popular culture 4 Prostitution 4 Womyn 4 Architecture 3 Buildings, structures, etc 3 Communism 3 Description and travel 3 less ...