Columbia subject headings:
Germany--Politics and government--1789-1900--Congresses.
War (Philosophy)--Congresses.
War--Germany--Psychological aspects--Congresses.
Harvard subject headings:
Europe--History, Military--18th century.
Europe--History, Military--19th century.
Germany--Politics and government--1789-1900--Congresses
War
War (Philosophy)--Congresses.
War--Psychological aspects--Congresses.
Princeton subject headings:
Germany--Politics and government--1789-1900--Congresses.
War (Philosophy)--Congresses.
War--Germany--Psychological aspects--Congresses.