Columbia subject headings:
Egypt--Antiquities.
Egypt--History--Greco-Roman period, 332 B.C.-640 A.D.
Egypt--Social conditions.
Harvard subject headings:
Egypt--Civilization--332 B.C.-638 A.D.--Congresses.
Egypt--Civilization--To 332 B.C.--Congresses.
Papyri, Demotic--Congresses.
Princeton subject headings:
Egypt--Civilization--332 B.C.-638 A.D.--Congresses.
Egypt--Civilization--To 332 B.C.--Congresses.
Egyptian language--Papyri--Congresses.