Columbia subject headings:
Blum, Léon, 1872-1950--Influence--Congresses.
France--Foreign relations--1914-1940--Congresses.
Reconciliation--Political aspects--Europe--Congresses.
Socialists--France--Attitudes--Congresses.
Statesmen--France--Biography--Congresses.
Harvard subject headings:
Blum, Léon, 1872-1950--Influence--Congresses.
France--Foreign relations--1914-1940--Congresses.
Reconciliation--Political aspects--Europe--Congresses.
Socialists--France--Attitudes--Congresses.
Statesmen--France--Biography--Congresses.
Princeton subject headings:
Blum, Léon, 1872-1950--Congresses.
Socialism--Europe--Congresses.
Statesmen--France--Congresses.