The text is contained in the following manuscripts:
Praha, Národní knihovna ČR, VIII E 11
Literature:
J. Truhlář, Catalogus codicum manu scriptorum latinorum qui in c. r. Bibliotheca publica atque Universitatis Pragensis asservantur, Vol. I, Prague 1905, 566; G. E. Mohan, Incipits, “Incipits of logical writings in Latin (XIII-XIV),“ in Franciscan Studies 12 (1952), 388; A. B. Emden, A Biographical Register of the University of Oxford to A.D. 1500, Vol. III: P to Z, Oxford 1959, 2031-2032.