- Initial R (Ungler 1512)
- Initial R(Atihabitionem). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Bivv ◼
- Initial R(Vbeam). In Somnia Danielis, Cracow: Florian Ungler (printer), 1512 (Wrocław, Oss.), fol. Biir ◼
- Initial R(Eus ergo). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Eir ◼
- Initial R(Estat autem). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Eiiiv ◼
- Initial R(Eus ergo). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Eir ◼
- Initial R(Estat autem). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Eiiiv ◼