Columbia subject headings:
Bloch, Marc, 1886-1944.
France--Historiography.
Historians--France--Biography.
Harvard subject headings:
Bloch, Marc, 1886-1944.
France--Historiography.
Historians--France--Biography
Princeton subject headings:
Bloch, Marc, 1886-1944.
France--History--Historiography.
Historians--France--Biography.