Columbia subject headings:
Biel, Gabriel, -1495.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Harvard subject headings:
Biel, Gabriel, -1495.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Princeton subject headings:
Biel, Gabriel, -1495.
Theology, Doctrinal--History--Middle Ages.