Columbia subject headings:
France--Politics and government--1870-1940.
Socialism--France--History--19th century.
Socialists--France--History--19th century.
Harvard subject headings:
France--Politics and government--1870-1940.
Socialism--France--19th century.
Socialism--France--History--19th century
Socialists--France--History--19th century.
Princeton subject headings: