Columbia subject headings:
Elections--United States--Abstracts.
Political parties--United States--Abstracts.
Voting--United States--Abstracts.
Harvard subject headings:
Elections--United States--Abstracts.
Political parties--United States--Abstracts.
Voting--United States--Abstracts.
Princeton subject headings:
Elections--United States--Abstracts.
Political parties--United States--Abstracts.
Voting--United States--Abstracts.