Columbia subject headings:
Harvard subject headings:
Direct democracy--Switzerland--History--Handbooks, manuals, etc.
Political campaigns--Switzerland--History--Handbooks, manuals, etc.
Political parties--Switzerland--History--Handbooks, manuals, etc.
Referendum--Switzerland--History--Handbooks, manuals, etc.
Switzerland--Politics and government--1848---Handbooks, manuals, etc.
Voting--Switzerland--History--Handbooks, manuals, etc.
Princeton subject headings:
Referendum--Switzerland--History--Handbooks, manuals, etc.