Columbia subject headings:
Harvard subject headings:
Germany--Armed Forces--Congresses.
Germany--Economic conditions--1990---Congresses.
Germany--History--1990---Congresses.
Germany--Politics and government--1990---Congresses.
Princeton subject headings:
Europe--Politics and government--20th century--Congresses.
Germany--Politics and government--20th century--Congresses.
Studienzentrum Weikersheim--Congresses.