History 324 Mathematics 229 Religion 224 Philosophy 178 Criticism 176 Project management--PERT/CPM 161 Education 150 Management 142 Emotions 115 Politics and government 109 History and criticism 108 India 107 Psychology 106 Physics 103 Literature 101 Economics 100 English literature 100 Criticism and interpretation 83 Hinduism 80 Sociology 79 Statistics 78 Arts 77 Novel 77 Research 76 Chemistry 75 Methodology 66 Social conditions 65 Poetry 60 Quantum theory 57 Social sciences 57