Columbia subject headings:
Civilization, Medieval.
Languages in contact--Europe--History--To 1500.
Multilingualism--Europe--History--To 1500.
Harvard subject headings:
Civilization, Medieval.
Languages in contact--Europe--History--To 1500.
Multilingualism--Europe--History--To 1500.
Translating and interpreting--Europe--History--To 1500.
Princeton subject headings:
Civilization, Medieval.
Languages in contact--Europe--History--To 1500.
Multilingualism--Europe--History--To 1500.