Columbia subject headings:
Democracy.
Elections.
Labor unions--United States.
Political parties--United States.
United States--Politics and government.
Voting.
Harvard subject headings:
Democracy
Elections.
Labor unions--United States
Political parties--United States
United States--Politics and government.
Voting
Princeton subject headings:
Democracy.
Elections.
Labor unions--United States.
Political parties--United States.
United States--Politics and government.
Voting.