Libraries 400 Printing 205 Bookbinding 169 Authorship 137 Research 126 Descriptive cataloging 117 Conservation and restoration 114 more ... Library science 113 Methodology 112 Publishers and publishing 100 School libraries 100 Reference books 96 Cataloging 95 Bibliography 94 Books 92 Library materials 89 Administration 84 Guides, manuels, etc 64 Information services 63 Books and reading 61 Library orientation 59 Library administration 58 Academic libraries 57 Rules 57 Public libraries 56 Graphic design (Typography) 55 Archives 54 Government publications 54 Information storage and retrieval systems 53 Online bibliographic searching 52 less ...