The text is contained in the following manuscripts:
Praha, Knihovna pražské metropolitní kapituly, L 66
Edition:
Radulphus Brito, Quaestiones in I-VIII libros Topicorum Aristotelis, ed. N. T. Green-Pedersen, in N. T. Green-Pedersen, "On the Interpretation of Aristotles Topics in the 13th Century", in Cahiers (1973), 38-46; Radulphus Brito, Quaestiones in I-VIII libros Topicorum Aristotelis, ed. J. Pinborg, in J. Pinborg, "Die Bezeichnung in der Logik des XIII. Jahrhunderts", in Miscellanea Mediaevalia 8 (1971), 274-275.
Literature:
A. Patera - A. Podlaha, Soupis rukopisů knihovny Metropolitní kapituly pražské, Vol. II, Praha 1922, 240; J. Pinborg, "Die Logik der Modistae", Studia Mediewistyczne 16 (1975), 82-86; Ch. H. Lohr, "Medieval Aristotle Commentaries. Vol V.", in Traditio 28 (1972), 386-387; Ch. H. Lohr, "Problems of Authorship Concerning Some Medieval Aristotle Commentaries", Bulletin de philosophie médiévale 15 (1973), 131.