History 478 Mathematics 229 Religion 208 Criticism 179 Project management--PERT/CPM 161 Education 139 Philosophy 135 Management 122 India 115 Derivatives 114 English literature 109 History and criticism 108 Chemistry 105 Physics 105 Economics 97 Literature 85 History India 82 Early period-- Ancient History-India 81 Periodicals 78 Criticism and interpretation 77 Sociology 77 Statistics 77 Hinduism 76 Research 73 Novel 70 Poetry 67 Calculus 64 Arts 62 Derivative securities 59 Malayalam literature 58