History 709 Politics and government 107 Social conditions 60 Foreign relations 52 Civilization 33 History and criticism 33 Social aspects 33 Communism 32 Economic conditions 31 Motion pictures 30 Political aspects 24 Women 23 Nationalism 19 Relations 18 Science 18 Social life and customs 16 Chinese 15 Technology 15 Emigration and immigration 14 Sino-Japanese War, 1937-1945 14 Ethnic relations 13 Commerce 12 World War, 1939-1945 12 Chinese literature 10 Economic policy 10 Intellectual life 10 Architecture 9 China 9 Historiography 9 Art, Chinese 8