Columbia subject headings:
Conservatism--Switzerland--Zurich (Canton)--History--20th century--Interviews.
Zurich (Switzerland : Canton)--Politics and government--Interviews.
Zürcher SVP--History--Interviews.
Harvard subject headings:
Blocher, Christoph, 1940-
Conservatism--Switzerland--History.
Schweizerische Volkspartei.
Princeton subject headings:
Blocher, Christoph, 1940-
Conservatism--Switzerland--History.
Schweizerische Volkspartei.