Columbia subject headings:
Harvard subject headings:
Christian democracy--France.
Church and social problems--Catholic Church
Church and social problems--France
College teachers--France--Biography.
Constant, Léonard, 1880-1923.
Sillon.
Princeton subject headings:
Christian democracy--France.
Church and social problems--Catholic Church.
Church and social problems--France.
College teachers--France--Biography.
Constant, Léonard, 1880-1923.
Le Sillon.