Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--Congresses.
Germany--Social life and customs--Congresses.
Hegemony--Germany--Congresses.
Nationalism--Germany--Congresses.
Patriotism--Germany--Congresses.
Princeton subject headings:
Nationalism and sports--Germany--Congresses.
Nationalism--Germany--History--21st century--Congresses.
Political culture--Germany--Congresses.
Popular culture--Political aspects--Germany--Congresses.