Columbia subject headings:
Austria--Politics and government.
Austria--Social conditions.
Constitutional history--Austria.
Constitutional history--Germany.
Constitutional history--Switzerland.
Germany--Politics and government.
Germany--Social conditions.
Switzerland--Politics and government.
Switzerland--Social conditions.
Harvard subject headings:
Austria--Politics and government--1945-
Comparative government
Europe, German-speaking--Statistics.
Germany--Politics and government--20th century
Switzerland--Politics and government--1945-
Princeton subject headings: