The translation of the Inferno is by J. A. Carlyle, of the Purgatorio, by Thomas Okey, and of the Paradiso, by P. H. Wicksteed. The notes (edited for this edition by Julie Eidesheim) follow, in the main, the notes for the Inferno and the Purgatoria by Dr. H. Oelsner, and those prepared jointly by Dr. Oelsner and Philip H. Wicksteed for the Paradiso. cf.Publisher's note.