Columbia subject headings:
Religion and culture--Congresses.
Rites and ceremonies--Congresses.
Ritual--Congresses.
Ritual--Psychology--Congresses.
Harvard subject headings:
Europe--Historiography--Congresses.
Religion and culture--Congresses
Rites and ceremonies--Congresses
Rites and ceremonies--Historiography--Congresses.
Ritual--Congresses.
Ritual--Europe--Congresses.
Ritual--Psychology--Congresses.
Princeton subject headings:
Ritual--Congresses.