- Initial O (Ungler; Haller). Part of Set of medium initials (Ungler; Haller)
- Initial O(Bliquus). In Proclus, Procli Diadochi Sphera Thomae Linacro Britanno Interprete, Thomas Linacre (translator), Cracow: Florian Ungler (printer), 5 July 1512 (Warsaw, BN), fol. Biv ◼
- Initial O(Dia). In Lectura Super Titulo De Regulis Juris Libro VI, Cracow: Florian Ungler (printer), 12 July 1512 (Kórnik, BK PAN), fol. Civ ◼
- Initial O(Mnis terra). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1512 (Cracow, BJ), fol. xiiiv ◼
- Initial O(Mnia supradicta). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1512 (Cracow, BJ), fol. iiiiiir ◼
- Initial O(Mnia supradicta). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1513 (Warsaw, BN), fol. iiiiiir ◼
- Initial O(Mnis terra). In Jan of Stobnica, Introductio in Ptholomei Cosmographia[m] ..., Cracow: Florian Ungler (printer), 1513 (Warsaw, BN), fol. xiiv ◼
- Initial O(Stendit). In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Warsaw, BN), fol. Aiir
- Initial O(Stendit). In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Kórnik, BK PAN), fol. Aiir ◼
- Initial O(fficialis). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Cir ◼
- Initial O(fficialis). In Johannes Auerbach, Processus iudiciarius eximij Doctoris iuris canonici Johannis de Urbach, Cracow: Florian Ungler (printer), 1512 - 1514 (Warsaw, BN), fol. Cir ◼
- Initial O(Lefactus autem obiectum). In Pseudo-Albertus Magnus, Alberti Magni philosophie Naturalis Jsagoge, sive introductio[n]es emendate nuper et impresse sum[m]a diligentia, Cracow: Jan Haller (printer), 29 April 1516 (Wrocław, Oss.), fol. lxiiir ◼
- Initial O(Mnes stultos). In Cicero, M.T.C. Paradoxa Graecis. Cum accentibus vbiq[ue] suis inductis q[uam] emendatissime impressa, Cracow: Jan Haller (printer), 22 May 1516 (Warsaw, BN), fol. Avv ◼