Columbia subject headings:
Harvard subject headings:
Belgium--History, Military--20th century.
Belgium--Relations--Germany.
Germany--History--1945-1990
Germany--Relations--Belgium.
Military bases--Germany--Rhineland--History--20th century.
Military bases--Germany--Westphalia--History--20th century.
Princeton subject headings:
Belgium--History, Military--20th century.
Belgium--Relations--Germany.
Germany--History--1945-1990.
Germany--Relations--Belgium.
Military bases--Germany--Rhineland--History--20th century.
Military bases--Germany--Westphalia--History--20th century.