Columbia subject headings:
Cults--Greece--History--Congresses.
Cults--Turkey--History--Congresses.
Religion and sociology--Greece--History--Congresses.
Religion and sociology--Turkey--History--Congresses.
Harvard subject headings:
Cults--Greece--History--Congresses.
Cults--Turkey--History--Congresses.
Religion and sociology--Greece--History--Congresses.
Religion and sociology--Turkey--History--Congresses.
Princeton subject headings:
Cults--Greece--History--Congresses.
Cults--Turkey--History--Congresses.
Religion and sociology--Greece--History--Congresses.
Religion and sociology--Turkey--History--Congresses.