Columbia subject headings:
Universität Wien--History.
Universität Wien--Students--Biography.
Vienna (Austria)--Biography.
Vienna (Austria)--History--Biography.
Harvard subject headings:
Universität Wien--History--Middle Ages, 600-1500.
Universität Wien--History.
Universität Wien--Students--Biography.
Vienna (Austria)--Biography.
Vienna (Austria)--History--Biography.
Vienna (Austria)--History--Middle Ages, 600-1500--Biography.
Princeton subject headings:
Universität Wien--History--Middle Ages, 600-1500.
Universität Wien--Students--Biography.
Vienna (Austria)--Biography.
Vienna (Austria)--History--Middle Ages, 600-1500--Biography.