Columbia subject headings:
Busch, Johannes, 1399-1479 or 1480.
Catholic Church--Germany--Biography.
Monasticism and religious orders--History--Middle Ages, 600-1500.
Harvard subject headings:
Busch, Johannes, 1399-1479 or 1480.
Catholics--Germany--Biography.
Monasticism and religious orders--History--Middle Ages, 600-1500.
Princeton subject headings: