Columbia subject headings:
Harvard subject headings:
Cachin, Marcel, 1869-1958--Diaries.
Communists--France--Diaries.
Editors--France--Diaries.
France--Politics and government--1870-1940--Sources.
France--Social conditions--20th century--Sources.
Princeton subject headings:
Cachin, Marcel, 1869-1958--Diaries.
Communists--France--Diaries.
Revolutionaries--France--Diaries.