History 450 Philosophy 124 Politics and government 95 World War, 1939-1945 90 History and criticism 82 Psychoanalysis 77 Histoire 73 more ... Criticism and interpretation 60 Jews 54 Operas 47 Art 46 Composers 43 Philosophie 42 Holocaust, Jewish (1939-1945) 40 Civilization 36 German literature 35 German fiction 34 Description and travel 33 Music 33 National socialism 33 Social conditions 32 Translations into English 31 Christianity 29 World War, 1914-1918 29 Authors, German 28 Foreign relations 28 Mathematics 27 Psychological aspects 27 Religion 26 Psychology 25 less ...