Columbia subject headings:
Elections--Germany.
Elections--Switzerland.
Germany--Politics and government--1990-
Switzerland--Politics and government--1945-
Voting--Germany.
Voting--Switzerland.
Harvard subject headings:
Elections--Germany--History--20th century
Elections--Switzerland--History--20th century.
Voting--Germany--History--20th century.
Voting--Switzerland--History--20th century.
Princeton subject headings: