Columbia subject headings:
Harvard subject headings:
Anti-fascist movements--Europe.
Blom, Gertrude Duby.
Communists--Switzerland--Biography.
Photographers--Switzerland--Biography.
Women ecologists--Switzerland--Biography.
Women ethnologists--Switzerland--Biography.
Women socialists--Switzerland--Biography.
Princeton subject headings:
Anti-Nazi movement--Switzerland--Biography.
Blom, Gertrude Duby.
Feminists--Switzerland--Biography.
Journalists--Switzerland--Biography.