Columbia subject headings:
Heads of state--Germany--Biography.
Kohl, Helmut, 1930-2017.
Harvard subject headings:
Germany (West)--Politics and government--1945-1990.
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Heads of state--Germany--Biography.
Kohl, Helmut, 1930-2017.
Princeton subject headings:
Heads of state--Germany--Biography.
Kohl, Helmut, 1930-2017.