Columbia subject headings:
Church history--Middle Ages, 600-1500.
Dante Alighieri, 1265-1321. Correspondence.
John XXII, Pope, -1334.
Papacy--History--1309-1378.
Popes--Election--History--To 1500.
Harvard subject headings:
Church history--Middle Ages, 600-1500
Dante Alighieri, 1265-1321. Correspondence
John XXII, Pope, -1334
Papacy--History--1309-1378
Popes--Election--History--To 1500.
Princeton subject headings:
Church history--Middle Ages, 600-1500.
Dante Alighieri, 1265-1321. Correspondence.
John XXII, Pope, -1334.
Papacy--History--1309-1378.
Popes--Election--History--To 1500.