کتاب های Bentley Layton
A Coptic Grammar with Chrestomathy and Glossary: Sahidic Dialect
Bentley Layton, 2000
Coptic in 20 Lessons: Introduction to Sahidic Coptic with Exercises and Vocabularies
Bentley Layton, 2007
The Gnostic Scriptures
David Brakke, Bentley Layton, John Collins, 2021
