Economics 704 History 681 Politics and government 303 India 224 Philosophy 122 History and criticism 105 Social conditions 100 Education 92 Malayalam poetry 90 Short stories, Malayalam 90 Malayalam fiction 81 Nationalism 71 Economic conditions 60 Biography 50 Malayalam essays 49 Census of India 48 Physical review B 47 Foreign relations 45 Literature 45 Communism 43 English drama 43 Physics letters 43 Reports on progress in physics 43 Social Sciences 43 Agriculture 42 English literature 40 Gandhiana 40 Social aspects 40 Philosophy Gandhi 39 Civilization 38