Bertalot, _Il Codice B del “De Vulgari Eloquentia”_ (Florence, 1923); studies by F. D’Ovidio, _Versificazione italiana e arte poetica medioevale_ (Milan, 1910); translation and commentary by A. G. F. Howell in “Temple Classics Latin Works of Dante”; C. Foligno, _Dante, the Poet_ (Brit. Acad. Annual Italian Lecture, 1921). (_e_) MONARCHIA. C. Cipolla, _Il trattato “De Monarchia” di D. A. e l’opuscolo “De potestate regia et papali” di Giovanni da Parigi_ (reprinted in _Gli studi danteschi di Carlo Cipolla_, Verona, 1921); F. Ercole, _L’unità politica della nazione italiana e l’Impero nel pensiero di Dante_ (in _Archivio storico italiano_, LXXV., Florence, 1917), and _Per la genesi del pensiero politico di Dante_ (in _Giornale storico della letteratura italiana_, LXXII., _Turin_, 1918); E. G. Parodi, _Del concetto dell’Impero in Dante e del suo averroismo_ (in _Bull. d. Soc. Dantesca Italiana_, N.S., XXVI., Florence, 1919); A. Solmi, _Il pensiero politico di Dante_ (Florence, 1922); C. Foligno, _The Date of the Monarchia_ (in Dante, _Essays in Commemoration_, University of London Press, 1921); translation and commentary by P. H. Wicksteed in “Temple Classics Latin Works of Dante.” (_f_) EPISTOLAE. P. Toynbee, _Dantis Alagherii Epistolae_ (The Letters of Dante, emended text, with introduction, translation, notes, etc., Oxford, 1920); F. Torraca, _Le lettere di Dante_ (in _Nuovi studi danteschi_); E. Moore, _The Genuineness of the Dedicatory Epistle to Can Grande_ (in _Studies in Dante_, Series III.). (_g_) ECLOGAE. P. H. Wicksteed, _Dante and Giovanni del Virgilio_ (London, 1902); G. Albini, _Dantis Eclogae_, etc. (Florence, 1903). (_h_) QUAESTO DE AQUA ET TERRA. Edited and translated by C. L. Shadwell (Oxford, 1909); ed. V. Biagi, with critical dissertation (Modena, 1907); E. Moore, _Studies in Dante_, Series II. (Oxford, 1899); Wicksteed, translation and commentary in “Temple Classics Latin Works of Dante.” E. THE “DIVINA COMMEDIA” _Editions with Notes and Commentaries_ [The first three editions of the _Divina Commedia_ were printed in 1472, at Foligno, Mantua, and Jesi. They were reprinted, together with the Neapolitan edition of 1477, by Lord Vernon and Panizzi: _Le Prime Quattro Edizioni della Divina Commedia letteralmente ristampate_ (London, 1858). The first Venetian edition is dated 1477, the first Florentine 1481. There were about fifteen editions of the _Divina Commedia_ published before the end of the fifteenth century. The first Aldine was printed in 1502. The two earliest dated manuscripts, the Landiano (1336) and the Trivulziano (1337), have been published in facsimile: _Il Codice Trivulziano 1080 della D.C._, with introduction by L. Rocca (Milan, 1921); _Il Codice Landiano_ with preface by A. Balsamo and introduction by G. Bertoni (Florence, 1921).] _La Divina Commedia nuovamente commentata da_ F. Torraca. Milan and Rome, third edition 1915.