Lecture Notes in Mathematics 354 History 159 Home science 124 Lifestyle & Home 111 Coding theory 109 Mathematics 78 Criticism 72 Cookery 63 Home Science 63 Biography 62 English literature 61 Novel 57 Malayalam; Humour/Joke 56 Dissertations, Academic (Ph.D) 55 Management 55 മലയാളം; ഹാസ്യം 46 India 45 Jokes 43 Pitman Research Notes in Mathematics 43 Cryptography 42 Women 41 Politics and government 39 Lecture Notes in Pure and Applied Mathematics 38 Parenting & Families 38 Religion 37 Philosophy 36 Physiology 35 Physics 34 Applied numerical analysis-- Applied mathematics 33 Literature 32