Columbia subject headings:
Anti-Nazi movement--Switzerland.
Gotthard-Bund.
Switzerland--History--20th century--Sources.
Harvard subject headings:
Anti-Nazi movement--Switzerland.
Gotthard-Bund.
Switzerland--History--20th century--Sources.
Princeton subject headings:
Anti-Nazi movement.
Gotthard-Bund--History.
Switzerland--Politics and government--20th century.