Columbia subject headings:
Democratization--Estonia--History--20th century.
Elections--Estonia--History--20th century.
Estonia--Politics and government--1940-1991.
Estonia--Politics and government--1991-
Harvard subject headings:
Elections--Estonia--History--20th century.
Princeton subject headings:
Democratization--Estonia--History--20th century.
Elections--Estonia--History--20th century.
Estonia--Politics and government--1940-1991.
Estonia--Politics and government--1991-