Columbia subject headings:
Center parties--France--19th century--Congresses.
Center parties--France--20th century--Congresses.
France--Politics and government--1870-1940.
France--Politics and government--20th century.
Harvard subject headings:
Princeton subject headings:
Center parties--France--19th century.
Center parties--France--20th century.
France--Politics and government--19th century.
France--Politics and government--20th century.