Library classification schemes 140 Library classification 34 Library Classification 16 Library Science 4 DDC 3 Dewey Decimal Classification 3 Dewey decimal classification-- Library classification 3 Deway decimal Classification 2 Dynamic theory-library classification 2 Library and information science 2 Library cataloguing 2 Library classification-DDC 2 library classification scheme 2 library science 2 Canons-library classification 1 Classification 1 Colon classification 1 Dewey decimal classification 1 Engineering 1 Five Laws-- Reference Service-- Library Classification-- Library Cataloguing-- Book Selection-- Book Order 1 Indexing 1 Information science 1 LIBRARY SCIENCE 1 Library classification 1 Library Classification-Schemes-development-use-Theory 1 Library Science--Library classification 1 Library classification scheme 1 Library classification schemes- Colon classification 1 Library science 1 Reference service 1