File:Prospetto del Purgatorio - Divina Commedia - Dante Alighieri comento Pietro Fraticelli 1892.jpg - Wikimedia Commons
Purgatorio: The Divine Comedy of Dante Alighieri, Vol. 2: Durling, Robert M., Martinez, Ronald L., Durling, Robert M.: 9780195087451: Amazon.com: Books
Dante's Purgatorio and Graduate School – The Christian Humanist
Illustration for Purgatorio by Dante Alighieri. Canto XIX, lines 131 to 133, by Gustave Dore, 1832 - 1883. French artist and illustrator Stock Photo - Alamy
Dante Alighieri inventó el Purgatorio? – Muy Interesante
Purgatorio - Wikipedia
Purgatorio - Wikipedia
Tres figuras históricas en el Purgatorio – Enciclopedia Medieval