Columbia subject headings:
Historiography--History.
Southern, R. W. (Richard William), 1912-2001.
Harvard subject headings:
Middle Ages--Historiography
Southern, R. W. (Richard William), 1912-
Princeton subject headings:
Europe--Historiography.
Historiography--History.
Middle Ages--Historiography.
Southern, R. W. (Richard William), 1912-2001.