Classification Books 1,633 Classification, Library of Congress 597 Livres 194 Law 173 Cataloging 123 Book Classification 121 more ... History 118 Bibliography 112 Subject headings 108 Classification de la Bibliothèque du Congrès 70 Library science 64 Medicine 51 Government publications 48 Classification, Decimal 47 Social sciences 46 Catalogage 43 Science 43 Indexing 41 Literature 40 Information storage and retrieval systems 39 Philology 39 Subject cataloging 36 Political science 35 Classification, Dewey decimal 32 Methodology 31 Information organization 27 classification (information handling function) 27 International law 26 Maps 26 less ...