Petersen, T. C. 1948. Coptic Bookbindings in the Pierpont Morgan Library (unpubl.), ed. J. L. Sharpe (New York: 1948).

Petersen, T. C. 1954. “Early Islamic Bookbindings and Their Coptic Relations,” Ars Orientalis: The Arts of Islam and the East, 1 (1954), 41–64.

van Regemorter, B. 1961. Some Oriental Bindings in the Chester Beatty Library (Dublin: Hodges Figgis & Co, 1961).