Primary Sources

Edited works of Roger Bacon

Opera hactenus inedita (Vol. I-XVI), ed. Robert Steele, Oxford 1909-1940. Download here

Opera quaedam hactenus inedita (=Opus tertium, Opus minus, Compendium studii philosophiae, Epistola de secretis operibus Artis et Naturae, et de nullitate Magiae), ed. J. S. Brewer, London, 1859. Download here

Opus maius, ed. John Henry Bridges, Oxford and Edinburgh. (Vols. 1 & 2, Oxford 1897; Vol. 3 with corrections, Edinburgh, 1900). Download here

Epistola, F. Gasquet, “An Unpublished Fragment of Roger Bacon,” in The English Historical Review, 1894, 495–517, Download here; Epistola Fratris Rogeri Baconi, ed. and trs., P. E. Bettoni, Milan, 1964.

The Greek Grammar of Roger Bacon and a Fragment of His Hebrew Grammar, ed. Edmund Nolan and S. A. Hirsch, Cambridge University Press, 1902. Download here

Un fragment inédit de l’Opus tertium de Roger Bacon, ed. Pierre Duhem, Quarrachi, 1909. Download here

Part of the Opus tertium of Roger Bacon, including a Fragment Now Printed for the First Time, ed. Arthur George Little, Aberdeen University Press, 1912. Download here

Moralis Philosophia, ed. Eugenio Massa, Zurich: Thesaurus Mundi, 1953.

De signis, ed. K. M. Fredborg,Lauge Nielsen, Jan Pinborg, “An Unedited Part of Roger Bacon’s ‘Opus maius’: ‘De signis'”, Traditio 34 (1978), 75–136.

Summulae dialectices, ed. Alain de Libera, ”Les Summulae dialectices de Roger Bacon”, Archives d’Histoire Doctrinale et Littéraire du Moyen Age 53 (1986): 139–289, 54 (1987): 171–278.

Compendium studii theologiae, ed. Thomas S. Maloney, Leiden: Brill, 1988.

De multiplicatione specierum and De speculis comburentibus, ed., David C. Lindberg, Oxford: Clarendon Press, 1983.

Perspectiva, ed. David C. Lindberg, Oxford: Clarendon Press, 1996.