Columbia subject headings:
Coptic language--Lexicography--Congresses.
Egyptian language--Lexicography--Congresses.
Harvard subject headings:
Coptic language--Lexicography--Congresses.
Coptic philology--Congresses.
Egyptian language--Lexicography--Congresses.
Egyptian philology--Congresses.
Princeton subject headings:
Coptic language--Lexicography--Congresses.
Egyptian language--Lexicography--Congresses.