General Works about the History of the Printed Book and Libraries.- Paper, Inks, Printing Materials.- Calligraphy, Type Design, Typefounding.- Layout, Composing, Printing, Presses, Printed Books.- Book Illustration.- Bookbinding.- Book Trade, Publishing.- Bibliophily, Book Collecting.- Libraries, Librarianship, Scholarship, Institutions.- Legal, Economic, Social Aspects.- Newspapers, Periodicals, and Journalism.- Relation to Secondary Subjects.