wooden board (materials)

Source reference: 

Pickwoad, Onward and Downward... (1994)

Nicholas Pickwoad (1994), “Onward and Downward: How Binders Coped with the Printing Press before 1800”, in A Millennium of the Book: Production, Design and Illustration in Manuscript and Print 900-1900, edited by Michael Harris and Robin Myers, Publishing Pathways 8, Winchester, St. Paul’s Bibliographies, pp. 61–106.

Additional reference: 
p. 63

Used as preferred label for