Columbia subject headings:
Coptic language--Glossaries, vocabularies, etc.
Coptic language--Grammar.
Coptic language--Readers.
Harvard subject headings:
Coptic language--Glossaries, vocabularies, etc.
Coptic language--Grammar.
Coptic language--Readers.
Princeton subject headings:
Coptic language--Glossaries, vocabularies, etc.
Coptic language--Grammar.
Coptic language--Readers.