Columbia subject headings:
Harvard subject headings:
Carnival--Social aspects--Congresses.
Carnival--Social aspects--Germany--Congresses.
Masquerades--Germany--History--21st century--Congresses.
Masquerades--History--21st century--Congresses.
Mass society--History--21st century--Congresses.
Popular culture and globalization--Congresses.
Popular culture and globalization--Germany--Congresses.
Popular culture--Religious aspects--Congresses.
Popular culture--Social aspects--Congresses.
Religions--Humor--Congresses.
Princeton subject headings:
Carnival--Congresses.
Collective behavior--Congresses.
Collective behavior--Religious aspects--Congresses.
Concerts--Congresses.
Festivals--Religious aspects--Congresses.
Festivals--Social aspects--Congresses.
Masquerades--Congresses.
Popular culture--Congresses.