Columbia subject headings:
Athens (Greece)--Civilization--Congresses.
Greece--Civilization--Congresses.
Harvard subject headings:
Amnesty--Greece--Athens--History--Congresses.
Athens (Greece)--Civilization--Congresses.
Greece--Civilization--Congresses.
Law--Greece--Athens--History--Congresses.
Magic, Greek--History--Congresses.
Witchcraft--Greece--Athens--History--Congresses.
Princeton subject headings:
Athens (Greece)--Civilization--Congresses.
Greece--Civilization--Congresses.