Dewey Decimal Classification 14 DDC 9 Library Science 4 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX 3 Dewey decimal classification-- Library classification 3 Library Classification 3 Dewey decimal classification 2 DEWEY DECIMAL CLASSIFICATION (DDC 22) VOLUME 1; MANUAL TABLES 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC 22) VOLUME 2; MANUAL TABLES 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC 22) VOLUME 3; SCHEDULES 600-999 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC 22) VOLUME 4; RELATIVE INDEX 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX VOL.I 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX VOL.II 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX VOL.III 1 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX VOL.IV 1 LIBRARY SCIENCE 1 Library classification 1