History 263 Japanese 122 Agricultural colonies 45 Economic conditions 31 Emigration and immigration 29 World War, 1939-1945 29 Foreign relations 22 more ... Sino-Japanese War, 1937-1945 21 Description and travel 19 Social life and customs 17 International relations 16 Manshū-Rekishi 16 Railroads 16 Travel 16 Colonies 15 History and criticism 15 Koreans 15 Social conditions 15 Government policy 14 Manners and customs 13 Chinese literature 12 Economic history 12 Sources 12 Antiquities 11 Economic policy 11 Japanese literature 11 Histoire 10 Mukden Incident, China, 1931 10 Agriculture 9 Economic aspects 9 less ...