History 647 Great Britain 551 History and criticism 215 English literature 185 Philosophy 181 Biography 148 Literature 144 Education 110 Politics and government 105 Trees 97 Novel 89 Economics 86 Mass media 85 Women 85 Social conditions 83 Criticism 81 India 77 Journalism 75 Social Sciences 74 English fiction 63 General Book 61 Greek drama 60 Green revolution 60 Knowledge Western 60 Social aspects 59 Foreign relations 57 Literature collections 55 Mathematics 54 Arts 53 Civilization 50