Columbia subject headings:
Clement VI, Pope, approximately 1291-1352.
Popes--Primacy--History of doctrines--Middle Ages, 600-1500.
Harvard subject headings:
Clement VI, Pope, approximately 1291-1352.
Popes--Primacy--History of doctrines--Middle Ages, 600-1500.
Princeton subject headings:
Clement VI, Pope, approximately 1291-1352.
Popes--Primacy--History of doctrines--Middle Ages, 600-1500.