General works about the history of the printed book and library; paper, inks, printing materials; calligraphy, type design, typefounding; layout, composing, printing, presses, printed books including incunabula etc; book illustration; bookbinding; book trade, publishing; bibliophily, bookcollecting; libraries, librarianship, scholarship, institutions; legal, economic, social aspects; newspapers, journalism; relation to secondary subjects mainly in order of DC.