Columbia subject headings:
Election law--California.
Election law--Switzerland--Cantons.
Election law--Switzerland.
Election law--United States.
Referendum--California.
Referendum--Switzerland--Cantons.
Referendum--Switzerland.
Referendum--United States.
Harvard subject headings:
Constituent power--California.
Constituent power--Switzerland.
People (Constitutional law)--California.
People (Constitutional law)--Switzerland.
Referendum--California.
Referendum--Switzerland.
Voting--California.
Voting--Switzerland.
Princeton subject headings: