Economics 232 മലയാളം; മലയാളം നോവല്‍ 169 History 145 India 129 Engineering 113 Malayalam; Malayalam Novel; Literature; Malayalam Fiction 91 Sociology 91 മലയാളം; ബാലസാഹിത്യം 91 Criticism 77 Malayalam literature 77 Philosophy 71 Botany 67 Agricultural chemistry 65 Lecture Notes in Mathematics 65 Decimal Classification 62 Drama 62 English literature 61 Library classification schemes 60 Novel 59 Poetry 58 Microbiology 57 Agriculture 55 Literature 55 Chemistry 53 Soil science 52 Agricultural economics 50 Malayalam; Childrens-Literature 50 Malayalam fiction 48 Management 48 Mathematics 48