Columbia subject headings:
Voting--Abstention--Case studies.
Voting--Statistics.
Voting--Switzerland--Saint Gall--Statistics.
Harvard subject headings:
Voting--Abstention--Case studies.
Voting--Statistics.
Voting--Switzerland--Saint Gall--Statistics.
Princeton subject headings:
Voting--Abstention--Case studies.
Voting--Statistics.
Voting--Switzerland--Saint Gall--Statistics.