Columbia subject headings:
Harvard subject headings:
Germany--History--1866-1871--Congresses.
Germany--Politics and government--1866-1871--Congresses.
Germany--Politics and government--1871-1918--Congresses.
Nationalism in music--Congresses.
Nationalism--Germany--Religious aspects--History--19th century--Congresses.
Princeton subject headings:
Germany--Politics and government--1871-1918--Congresses.
Nationalism in music--Congresses.
Nationalism--Germany--Religious aspects--History--19th century--Congresses.