"Down, down; bend low Thy knees; behold God's angel: (Canto II., lines 29-30) -
Gustave Dore
"Hast no help For me, my father?" (Canto XXXIII., lines 67-68) -
Gustave Dore
"He," answer'd I, "who standeth mute beside me. (Canto XIII., line 77) -
Gustave Dore
"Name thee, or not a hair shall tarry here!" (Canto XXXII., line 98) -
Gustave Dore
"O God of mercy!" heard I sung; (Canto XXV., line126) -
Gustave Dore
"Oh, senseless spirit! let thy horn for thee Interpret: (Canto XXXI., lines 64-65) -
Gustave Dore
"Ser Brunetto! And are ye here?" (Canto XV., lines 28-29) -
Gustave Dore
"What cause," said he, "Hath bow'd thee thus!" (Canto XIX., 138-139) -
Gustave Dore
Apollo, Diana, Juno and Victory - Nicolas Poussin
Satan Contemplating Adam and Eve in Paradise from Paradise Lost - John Martin
Two Ghosts appearing from a Tomb in the Crypt of a Romanesque Church - Jean-Joseph-Pascal Gay
"Why pluck'st thou me?" (Canto XIII., line 34) - Gustave Dore
The Muses Escaping Violation from King Pyreneus - Sir James Thornhill
Saul Receiving Sight From Ananias - Sir Thomas Lawrence
Archimedes c.287-12 BC saying Give me a support with a lever and I will raise the earth, Stanzio della Mattematica, 1587-1609 - Giulio Parigi
Portrait of a lady, full length, seated, wearing an ivory dress and a pink mantle - (after) Francois De Troy
Diana and Actaeon - Hendrik Van Balen II
"Be none of you outrageous." (Canto XXI., line 70) - Gustave Dore
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the 
