Columbia subject headings:
Europe--History--476-1492.
German language--History.
Languages in contact--Europe--History.
Literature, Medieval--History and criticism.
Harvard subject headings:
Europe--History--476-1492.
German language--History.
Languages in contact--Europe--History.
Literature, Medieval--History and criticism
Princeton subject headings:
Europe--History--476-1492.
German language--History.
Languages in contact--Europe--History.
Literature, Medieval--History and criticism.