Columbia subject headings:
Germany--Politics and government--1990-
Herzog, Roman, 1934-2017.
Presidents--Germany--Biography.
Harvard subject headings:
Germany--Politics and government--1990-
Herzog, Roman, 1934-2017.
Presidents--Germany--Biography
Princeton subject headings:
Germany--Politics and government--20th century.
Herzog, Roman, 1934-2017.
Presidents--Germany--Biography.