Columbia subject headings:
Clement VII, Antipope, 1342-1394.
Papacy--History--1378-1447.
Schism, The Great Western, 1378-1417.
Harvard subject headings:
Clement VII, Antipope, 1342-1394.
Schism, The Great Western, 1378-1417.
Princeton subject headings:
Clement VII, Antipope, 1342-1394.
Papacy--History--1378-1447.
Schism, The Great Western, 1378-1417.