Columbia subject headings:
Harvard subject headings:
Bringolf, Walther, 1895-1981.
Politicians--Switzerland--Biography.
Socialism--Switzerland--20th century.
Socialists--Switzerland--Biography.
Switzerland--Politics and government--20th century.
Princeton subject headings:
Bringolf, Walther, 1895-1981.
Politicians--Switzerland--Biography.
Socialism--Switzerland--History--20th century.
Socialists--Switzerland--Biography.
Switzerland--Politics and government--20th century.