A carved tablet showing early printers' marks on the Widener Library

Hammond, Mason2020-07-301990Hammond, Mason. 1990. A carved tablet showing early printers' marks on the Widener Library. Harvard Library Bulletin XXXVI (4), Fall 1988: 373-380.0017-8136https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37363930en-USA carved tablet showing early printers' marks on the Widener LibraryJournal Article2020-07-30