Microbiology 932 Pharmacology and Toxicology 818 Biochemistry 809 History 717 Physiology 683 Pathology 651 Dissertations, Academic (Ph.D) 520 Extension 473 General 460 Genetics 409 Fiction 386 Novel 384 Nutrition 380 Medicine 364 Parasitology 364 LPM 311 Short stories, Malayalam 304 Philosophy 298 Literature 295 History and criticism 280 Politics and government 273 Psychology 269 Management 243 Education 241 Research 227 Statistics 225 Malayalam poetry 199 Social sciences 197 Malayalam fiction 193 Women 186