Source
Diehl, Bookbinding, its background... (1980)
Diehl, E. (1980) Bookbinding: its background and technique. Vol. 1-2. New York: Dover Publications.
Additional Reference
p. 88
Diehl, E. (1980) Bookbinding: its background and technique. Vol. 1-2. New York: Dover Publications.
p. 88