History 13 Kerala history 4 Library legislation-India 4 മലയാളം; 4 Biodegradation, Environmental 3 Biography--Menon--MPS--Kerala history--Narayan menon--M P--Malabar Rebellion--Malabar history--Malayalam books 3 Environmental Microbiology 3 Environmental Monitoring 3 Library Legislation 3 Literature 3 Malayalam; 3 Microbial ecology 3 Black pepper (Plant) 2 Collection development (Libraries) 2 Freedom fight 2 Indexing 2 Information resources 2 Information services 2 Information technology 2 Internet (Computer network) 2 Library and Information Science 2 Library education 2 Library legislation 2 Library science 2 Literature Malayalam 2 Malayalam poetry-- Malayalam literature 2 Malayalam; Politics 2 Medical laws and legislation 2 Model Library Bill 2 National Policy- Library 2