- Initial I-2 (Ungler 1512)
- Initial I(N pari). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Hivv ◼
- Initial I[employed as T](E igitur). In Johann Burchard, Ordo Misse Secu[n]dario diligentissime correctus cu[m] notabilibus [e]t glossis sacri canonis noviter additis, Cracow: Florian Ungler (printer), 29 November 1512 (Kórnik, BK PAN), fol. xxxviiv ◼
- Initial I(Vdicum). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Biv ◼
- Initial I(Vdicum). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Biv ◼