Columbia subject headings:
Campaign funds--United States--States--Case studies.
Elections--United States--States--Case studies.
Political campaigns--United States--States--Case studies.
Referendum--United States--States--Case studies.
Voting--United States--States--Case studies.
Harvard subject headings:
Campaign funds--United States--States--Case studies.
Elections--United States--States--Case studies.
Political campaigns--United States--States--Case studies.
Referendum--United States--States--Case studies.
Voting--United States--States--Case studies.
Princeton subject headings:
Campaign funds--United States--States--Case studies.
Elections--United States--States--Case studies.
Political campaigns--United States--States--Case studies.
Referendum--United States--States--Case studies.
Voting--United States--States--Case studies.