Dissertations, Academic (Ph.D) 2,197 Criticism and interpretation 293 Thesis (Ph.D)-Chemistry 233 History 201 PhD Theses 182 Thesis (Ph.D)-Malayalam literature 168 Dissertations, Academic(Ph.D) 165 Thesis (Ph.D)-Physics 162 Thesis (Ph.D)-English literature 156 Kerala 151 Thesis (Ph.D)-Hindi literature 137 Thesis (Ph.D)-Education 130 Dissertations, Academic (Ph.D.) 127 Thesis (Ph.D)-Commerce 120 Thesis (Ph.D)-Economics 119 Reading 108 Literature 107 Criticism 105 Thesis (Ph.D)-Botany 105 Philosophy 95 History and criticism 91 English literature 89 Poetry 89 Thesis (Ph.D)-Biochemistry 83 Books and reading 81 Fiction 81 Sociology 77 Dissertation, academic (Ph.D.) 73 Economics 72 Education 67