Books History 644 Printing 257 Conservation and restoration 256 Classification 225 Bookbinding 164 Livres 136 more ... Books and reading 116 Book industries and trade 106 History and criticism 102 Manuscripts 87 Bibliography 80 Libraries 77 Prices 66 Exhibitions 64 Library materials 55 Literature 55 Manuscripts, Medieval 55 Histoire 51 Paper 51 Classification, Library of Congress 50 Book collecting 46 Book design 46 English literature 46 Preservation 42 Publishers and publishing 42 Repairing 40 Rare books 36 Social aspects 32 Histoire et critique 31 less ...