Columbia subject headings:
Historiography--Germany.
Schnabel, Franz, 1887-1966.
Harvard subject headings:
Germany--Historiography.
Historiography--Germany
Schnabel, Franz, 1887-
Schnabel, Franz, 1887-1966.
Princeton subject headings:
Historians--Germany--Biography.
Historiography--Germany.
Schnabel, Franz, 1887-1966.