Columbia subject headings:
Harvard subject headings:
Processions, Religious--Asia--History--Congresses.
Processions, Religious--Europe--History--Congresses.
Processions--Asia--History--Congresses.
Processions--Europe--History--Congresses.
Rites and ceremonies--Asia--History--Congresses.
Rites and ceremonies--Europe--History--Congresses.
Princeton subject headings:
Processions, Religious--Asia--History--Congresses.
Processions, Religious--Europe--History--Congresses.
Processions--Asia--History--Congresses.
Processions--Europe--History--Congresses.
Rites and ceremonies--Asia--History--Congresses.
Rites and ceremonies--Europe--History--Congresses.