The Opus Maius of Roger Bacon. Ed. J. H. Bridges, Vols. I and II, Oxford, 1897; Vol. III (correcting numerous errors in I and II), 1900. This work will be hereafter cited as “Bridges.”
F. A. Gasquet, “An Unpublished Fragment of a Work by Roger Bacon,” EHR XII, 502. This fragment published by Gasquet is evidently the first part of the Opus Minus and will henceforth be cited as “Gasquet.”
Part of the Opus Tertium of Roger Bacon. Ed. A. G. Little, Aberdeen, 1912. This will be cited as “Little, Opus Tertium (1912).” It includes Duhem’s fragment published also by Quaracchi, 1909, Un fragment inédit de l’Opus tertium de Roger Bacon précédé d’une étude sur ce fragment.
Fratris Rogeri Bacon Compendium Studii Theologiae. Ed. H. Rashdall, Aberdeen, 1911, in British Society of Franciscan Studies, Vol. III. It will be cited as “Rashdall.”
Robert Steele, Opera Hactenus inedita Rogeri Baconi, Fasc. I, London, 1905; Fasc. II and III and IV and V (Oxon. 1909, 1911, 1913, 1920). This will be cited as “Steele.”
[2031] Charles Jourdain, “Discussion de Quelques Points de la Biographie de Roger Bacon,” in his Excursions Historiques et Philosophiques à travers le Moyen Age, Paris, 1888, 131-145.
[2032] Brewer, 65 and 59. Opus Tertium, caps. 20 and 17.
[2033] Opus Tertium, cap. 11, Brewer 38.
[2034] Opus Tertium, caps. 3 and 2, Brewer, 16 and 13. Gasquet, 502.
[2035] Opus Minus, Brewer, 318. If, however, we accept as a genuine work of Bacon the letter on retarding the accidents of old age which he is supposed to have sent to Pope Innocent IV (1243-1254), we shall have to admit that he had been “in partibus Romanis.” See Little, Essays, 4 and 399.