Columbia subject headings:
Harvard subject headings:
Egypt--Foreign relations.
Egypt--History--332 B.C.-30 B.C.
Ptolemy III, Euergetes, King of Egypt, -221 B.C.
Princeton subject headings:
Egypt--Foreign relations.
Egypt--History--332-30 B.C.
Ptolemy III Euergetes, King of Egypt, -221 B.C.