Columbia subject headings:
Communism--Minnesota--History--20th century.
Democratic-Farmer-Labor Party--History.
Liberalism--Minnesota--History--20th century.
Minnesota--Politics and government--1858-1950.
Political parties--Minnesota--History--20th century.
Harvard subject headings:
Communism--Minnesota--History--20th century.
Farmer-Labor Party (Minn.)--History.
Liberalism--Minnesota--History--20th century.
Minnesota--Politics and government--1858-1950.
Political parties--Minnesota--History--20th century.
Princeton subject headings: