Columbia subject headings:
Harvard subject headings:
Historians--Germany
Medievalists--Germany.
Middle Ages--Historiography
Middle Ages--Study and teaching--Germany--Leipzig.
Middle Ages.
Universität Leipzig (1409-1953)--History.
Werner, Ernst, 1920-1993--Bibliography.
Werner, Ernst, 1920-1993.
Princeton subject headings:
Werner, Ernst, 1920-1993.