Columbia subject headings:
Amusements--Europe--History--Congresses.
Berlin (Germany)--Social life and customs--Congresses.
City and town life--Europe--History--Congresses.
Europe--Social life and customs--Congresses.
Metropolitan areas--Europe--History--Congresses.
Popular culture--Europe--History--Congresses.
Popular culture--Germany--Berlin--History--Congresses.
Harvard subject headings:
Amusements--Europe--History--Congresses.
Berlin (Germany)--Social life and customs--Congresses.
City and town life--Europe--History--Congresses.
Europe--Social life and customs--Congresses.
Metropolitan areas--Europe--History--Congresses.
Popular culture--Europe--History--Congresses.
Popular culture--Germany--Berlin--History--Congresses.
Princeton subject headings:
Amusements--Europe--History--Congresses.
Berlin (Germany)--Social life and customs--Congresses.
City and town life--Europe--History--Congresses.
Metropolitan areas--Europe--History--Congresses.
Popular culture--Europe--History--Congresses.
Popular culture--Germany--Berlin--History--Congresses.