Ahmad Alansary, Coptic Texts in different dialects, Sohag 2006.
Kakkerer, W., A Coptic bibliography, Ann Arbor, 1950
Scholer, D.M., Nag Hammadi bibliography 1948-1969, Leiden, 1971.
Crum, W.E., A Coptic Dictionary, Oxford: Clarendon Press, 1939.
Smith, R., A Concise Coptic-English Lexicon, Grand Rapids: William B. Eerdmans Publishing Co., 1983.