Decimal Classification 63 Deway decimal classification 18 Dewey Decimal Classification 14 Classification, Dewey decimal 12 DDC 9 Library Science 9 Classification, Dewey Decimal 8 Classification, Dewey decimal-Problems, exercises etc 7 Dewat decimal classification 7 Classification 6 Classification Dewey Decimal 4 Fractions 4 averages 4 decimals 4 DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX 3 Deway Decimal Classification 3 Dewey Decimal 3 Dewey decimal classification-- Library classification 3 Library Classification 3 Classification, Dewey decimal-Criticism 2 Classification, Universal decimal 2 Classification, Universal decimal-Problems, exercises etc 2 Deway decimal Classification 2 Dewey decimal classification 2 Library classification-DDC 2 Library science 2 Number system 2 Ancient India and decimal system of numeration 1 Aryabhata 1 Bakshali manuscript 1