The Coptic encyclopedia - Atiya, Aziz S.; Adams, William Y.; Habachi, Labib; Brown, S. Kent; Megally, Fuad (New York Macmillan Publishing Company, 1991)
V. 1. Abab-Azar. V. 2. Babī-Cros. V. 3. Cros-Ethi. V. 4. Ethi-John. V. 5. John-Mufa. V. 6. Muha-Pul. V. 7. Qal'-Zost. V. 8. Maps ; Appendix ; Index.