University of Adelaide
University of Adelaide: The Divine Comedy
Conveniently divided into Hell, Purgatory and Paradise, this site allows one to read Dante's classic poem online, or download the text. Illustrations appear when the text is read online.
Harvard University
The Geoffrey Chaucer Page: Dante Alighieri Sketch
From Harvard's Chaucer Page, it focuses mainly upon how Alighieri influenced Chaucer, but you can view some texts of his here. This is a great site to check out on the subject.