History 882 Libraries 428 Printing 347 Academic libraries 303 Publishers and publishing 252 Books and reading 218 Type and type-founding 206 more ... Bibliography 205 Public libraries 171 Histoire 133 Library science 129 Special collections 128 School libraries 115 Book industries and trade 111 Administration 106 Manuscripts 100 Printing industry 100 Librarians 99 Government publications 94 Type ornaments 92 Censorship 91 Publishing 89 Bibliographie 87 Bibliothèques 79 Books 78 Activity programs 77 Printing machinery and supplies 73 American literature 72 Data processing 70 Printers 68 less ...