Movie or TV Productions
Made in 1975, this is one of the few movies specifically about Dante’s Purgatorio.
The Dante Encyclopedia
This awesome resource from Google Books has everything from maps and images to descriptions of all of the historical people that Dante included in his Divine Comedy.
Dante’s World: Purgatorio
An AWESOME website done by UT Austin on Purgatorio; it has pictures, audio clips of the original Italian, and amazing pictures.