Columbia subject headings:
Church history--Middle Ages, 600-1500.
Hödl, Ludwig.
Philosophy, Medieval.
Theology--Early works to 1800.
Theology--History--Middle Ages, 600-1500.
Harvard subject headings:
Church history--Middle Ages, 600-1500
Hödl, Ludwig
Philosophy, Medieval.
Theology--Early works to 1800
Theology--History--Middle Ages, 600-1500
Princeton subject headings:
Church history--Middle Ages, 600-1500.
Hödl, Ludwig.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Theology--History--Middle Ages, 600-1500.