History 391 History and criticism 86 Politics and government 76 Japanese language 47 Social conditions 38 Description and travel 37 Economic conditions 30 more ... Philosophy 30 Foreign relations 29 World War, 1939-1945 28 Civilization 27 Criticism and interpretation 24 Women 24 Japanese poetry 21 Constitutional law 20 Japanese literature 20 Law and legislation 19 Social life and customs 19 Education 18 Antiquities 17 Intellectual life 15 Emperors 14 International relations 14 Science 14 Defenses 13 Social aspects 13 Study and teaching 13 Travel 13 Relations 12 Biography 10 less ...