- Initial Q-1 (Ungler 1512)
- Initial Q(Veritur tercio). In Michał Twaróg of Bystrzyków, Quaestiones in tractatus Parvorum Logicalium Petri Hispani, Cracow: Florian Ungler (printer), 15 April 1512 (Munich, BSB), fol. Civ ◼
- Initial Q(Veritur secundo). In Michał Twaróg of Bystrzyków, Quaestiones in tractatus Parvorum Logicalium Petri Hispani, Cracow: Florian Ungler (printer), 15 April 1512 (Munich, BSB) ◼
- Initial Q(Vantum ad primum). In Michał Twaróg of Bystrzyków, Quaestiones in tractatus Parvorum Logicalium Petri Hispani, Cracow: Florian Ungler (printer), 15 April 1512 (Munich, BSB), fol. Air ◼
- Initial Q(Veritur primo). In Michał Twaróg of Bystrzyków, Quaestiones in tractatus Parvorum Logicalium Petri Hispani, Cracow: Florian Ungler (printer), 15 April 1512 (Munich, BSB), fol. Diiiv ◼
- Initial Q(Vinque vero). In Proclus, Procli Diadochi Sphera Thomae Linacro Britanno Interprete, Thomas Linacre (translator), Cracow: Florian Ungler (printer), 5 July 1512 (Warsaw, BN), fol. Biiv ◼
- Initial Q(Vod). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Dir ◼
- Initial Q(Vi tacet). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Fir ◼
- Initial Q(Vi sentit). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Givr ◼
- Initial Q(Vi facit). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Iiir ◼
- Initial Q(Voniam omnis). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1512 (Cracow, BJ), fol. ir ◼
- Initial Q(Voniam omnis). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1513 (Warsaw, BN), fol. ir ◼
- Initial Q(Voniam autem). In Aristotle, Libri de Anima Aristotelis philosophoru[m] peripatetice familie principis sub gemina translatio[n]e ..., Cracow: Florian Ungler (printer), 1512 - 1513 (Warsaw, BN), fol. Fivv ◼
- Initial Q(Vantum ad ultimum). In Jan of Stobnica, Introductio in doctrinam doctoris subtilis ..., Cracow: Florian Ungler (printer), 21 March 1515 (Wrocław, Oss.), fol. Bivr ◼