Columbia subject headings:
Benedict XIII, Antipope, 1342-1423?
Papacy--History--1309-1378.
Schism, The Great Western, 1378-1417.
Harvard subject headings:
Benedict XIII, Antipope, 1342-1423?
Papacy--History--1309-1378
Schism, The Great Western, 1378-1417.
Princeton subject headings:
Benedict XIII, Antipope, 1342-1423?
Papacy--History--Early works to 1800.