Witte, K., _Essays on Dante_: selected, translated and edited, with introduction, notes, and appendices, by C. M. Lawrence and P. H. Wicksteed. London, 1898. Besides Boccaccio and Benvenuto da Imola, the modern editions of the other early commentators, Graziolo de’ Bambaglioli (Udine, 1892), Jacopo della Lana (Bologna, 1866, etc.), the Ottimo (Pisa, 1827-29), Pietro Alighieri (Florence, 1845), Francesco da Buti (Pisa, 1858-62), are worth consulting. Extracts, with notably better texts, are given by Biagi in _La D.C. nella figurazione artistica e nel secolare commento_. For the question of the Letter of Frate Ilario, see P. Rajna, _Testo della lettera di frate Ilario e osservazioni sul suo valore storico_, in _Dante e la Lunigiana_ (Milan, 1909). On the date of composition of the _Divina Commedia_, _cf._ Parodi, _Poesia e storia nella D.C._; Ercole, _Le tre fasi del pensiero politico di Dante_, in the _Miscellanea dantesca_ of the _Gior. stor. della lett. ital._, and D’Ovidio in the _Nuova Antologia_, March, 1923. In addition to the works already cited, published for the sexcentenary of 1921, may be particularly mentioned the sumptuous volume _Dante e Siena_ (Siena, 1921), and _Dante, la Vita, le Opere, le grandi città dantesche, Dante e l’Europa_ (Milan, 1921). The _Giornale Dantesco_, the _Bullettino della Società Dantesca Italiana_, and _Studi danteschi diretti da_ Michele Barbi (Florence) are invaluable periodical publications. Of the numerous English translations of the _Divina Commedia_, besides those of Cary and Longfellow, may be mentioned that of C. E. Norton in prose; Haselfoot and M. B. Anderson in _terza rima_; G. Musgrave of the _Inferno_ in Spenserian stanzas, and H. J. Hooper in amphiambics; C. L. Shadwell of the _Purgatorio_ and _Paradiso_ in the metre used by Andrew Marvell in his Horatian “Ode to Cromwell.” The _terza rima_ is a measure not easily adapted to English speech. First introduced into English by Chaucer, with the modifications which the difference of our prosody from the Italian requires, in two fragments of _A Compleint to his Lady_ (Minor Poems vi. in Skeat’s _Student’s Chaucer_), it was used by Wyatt and Surrey, by Sir Philip Sidney and other Elizabethans, and even once by Milton (in his paraphrase of Psalm ii.). Among the few notable English poems in _terza rima_ written during the nineteenth century, Shelley’s unfinished _Triumph of Life_ stands supreme, and in it we may in very truth: Behold a wonder worthy of the rhyme Of him who from the lowest depths of hell, Through every paradise and through all glory, Love led serene, and who returned to tell The words of hate and awe; the wondrous story How all things are transfigured except Love. APPENDIX