Columbia subject headings:
Blum, Léon, 1872-1950--Friends and associates.
France--Politics and government--1914-1940.
Libel and slander--Political aspects--France--History--20th century.
Politicians--France--Biography.
Press and politics--France--History--20th century.
Salengro, Roger, 1890-1936.
Socialists--France--Biography.
Harvard subject headings:
France--Politics and government--1914-1940.
Press and politics--France--History--20th century.
Right and left (Political science)
Salengro, Roger, 1890-1936.
Socialists--France--Biography
Princeton subject headings: