History 31,046 History and criticism 7,824 Japanese language 4,817 Japanese literature 4,409 Politics and government 4,287 Criticism and interpretation 3,090 Social life and customs 2,905 more ... Social conditions 2,612 Japanese 2,481 Civilization 2,479 Foreign relations 2,429 Economic conditions 2,260 Japanese poetry 2,150 Japanese fiction 1,987 World War, 1939-1945 1,853 Women 1,831 Histoire 1,791 Buddhism 1,644 International relations 1,637 Authors, Japanese 1,547 Study and teaching 1,383 Manners and customs 1,352 Description and travel 1,326 Painting, Japanese 1,284 Relations 1,193 Art, Japanese 1,192 Motion pictures 1,170 Waka 1,153 Antiquities 1,064 Philosophy 1,019 less ...