History 375 Politics and government 154 Economics 82 Philosophy 77 History and criticism 72 World War, 1914-1918 70 Malayalam fiction 67 Education 59 Short stories, Malayalam 54 Malayalam drama 52 India 46 Malayalam poetry 45 Social conditions 43 Foreign relations 42 Malayalam essays 41 Biography 38 Literature 36 English literature 34 Nationalism 33 American drama 31 മലയാളം കവിത 29 Agricultural economics 28 Religion 26 Social aspects 26 Criticism 24 Economic conditions 23 Agricultural develop 21 Philosophy Gandhi 21 Statesmen 21 English fiction 20