Books History 407 Printing 159 Books and reading 82 Exhibitions 73 Book industries and trade 71 Conservation and restoration 68 mer ... Bibliography 67 History and criticism 67 Prices 47 Publishers and publishing 47 Libraries 39 Classification 37 English literature 37 Bookbinding 35 Manuscripts 35 Periodicals 31 American literature 30 Transmission of texts 29 Intellectual life 28 Social aspects 27 Literature 26 Early printed books 25 Livres 25 Library materials 21 Criticism, Textual 20 Paper 20 Book collecting 19 Format 19 Manuscripts, Medieval 19 mindre ...