Source
Diehl (1946)
Edith Diehl, Bookbinding: Its Background and Technique, 2 vols, New York, Rinehart & Co., 1946.
Additional Reference
p. 115
Edith Diehl, Bookbinding: Its Background and Technique, 2 vols, New York, Rinehart & Co., 1946.
p. 115