Anonymous 14th Century
Geryon (Inferno XVI-XVII)
Anonymous 14th Century
The Prophet Mohammed (Inferno XXVIII)
Anonymous 14th Century
Purgatorio IX
Purgatorio XXVIII
Anonymous 15th Century
Luca Signorelli
Giovanni Di Paolo
Inferno I (the dark wood)
Inferno I (the three beasts)
Inferno II
Inferno III
Inferno III (Charon)
Inferno IV
Inferno V
Inferno V (Minos)
Inferno V (Paolo e Francesca)
Inferno VI
Inferno VII
Inferno VIII
Inferno IX
Inferno X
Inferno XI
Inferno XII
Inferno XIII
Inferno XIV
Paradiso IX
Paradiso X
Paradiso XV
Guglielmo Giraldi
The complete series of miniatures illustrating Inferno, from a 1470 codex, as a powerpoint slideshow (thanks to Prof. Dino S. Cervigni):
Giraldi's Inferno
Inferno VI
Inferno XII