Printing Historical Society

The Printing Historical Society (or PHS) is a learned society devoted to the study of the history of printing, in all its forms. == History == The Society was founded in London in 1964 by a group of teachers, scholars, students of design and bibliography, librarians, professional printers and amateur enthusiasts, notably James Mosley, James Moran, John Dreyfus, Michael Turner, Berthold Wolpe, David Chambers and Michael Twyman.

Source: Wikipedia — Printing Historical Society (CC BY-SA 4.0)