Columbia subject headings:
Harvard subject headings:
Germany (West)--Politics and government--1982-1990.
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Kohl, Helmut, 1930-2017.
Princeton subject headings:
Germany (West)--Politics and government--1982-1990.
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Kohl, Helmut, 1930-2017.