Columbia subject headings:
Theology, Doctrinal--History--Middle Ages, 600-1500.
Harvard subject headings:
Hussites--History--Sources.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Princeton subject headings:
Catholic Church--Doctrines.
Ondřej, z Brodu, approximately 1360-1427.
Theology, Doctrinal.