Columbia subject headings:
Harvard subject headings:
France--Politics and government--1914-1940
Spies--France--Biography
World War, 1914-1918--Collaborationists--France--Biography.
World War, 1914-1918--Political aspects--France.
Princeton subject headings:
France--Politics and government--1914-1940.
Spies--France--Biography.
World War, 1914-1918--Collaborationists--France--Biography.
World War, 1914-1918--Political aspects--France.