Columbia subject headings:
Cyrene (Extinct city)--Civilization--Congresses.
Cyrene (Extinct city)--History--Congresses.
Harvard subject headings:
Cyrene (Extinct city)--Civilization--Congresses.
Cyrene (Extinct city)--History--Congresses.
Princeton subject headings:
Cyrene (Extinct city)--Civilization--Congresses.
Cyrene (Extinct city)--History--Congresses.