- Initial I (Ungler 1514; Haller). Part of Set of ornamental initials (Ungler 1514; Haller)
- Quarterly Coat of Arms of the Kingdom of Poland and the Grand Duchy of Lithuania, Columns of Gediminas with Crown and Supporters, Cracow and Cracow Academy Coats of Arms. In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Warsaw, BN), fol. [Ir]
- Initial I(Nterpretatio). In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Kórnik, BK PAN), fol. Air ◼
- Quarterly Coat of Arms of the Kingdom of Poland and the Grand Duchy of Lithuania, Columns of Gediminas with Crown and Supporters, Cracow and Cracow Academy Coats of Arms. In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Kórnik, BK PAN), fol. [Ir] ◼
- Initial I(Nterpretatio). In John of Głogów, Introductorium Astronomie in Ephemerides ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Warsaw, BN), fol. Air
- Initial I(Nclitum). In Hieronymus de Vallibus, Iesvida, Cracow: Florian Ungler (printer), 1514 (Wrocław, Oss.), fol. EIVv ◼
- Initial I(Am explanatum). In Wacław of Cracow, Introductoriu[m] Astrologie co[m]pendiosum Magistri Venceslai Cracouin. editu[m] ..., Cracow: Florian Ungler (printer), 1515 (Warsaw, BN), fol. Bivr ◼
- Initial I(N numero) [upside down]. In Wacław of Cracow, Introductoriu[m] Astrologie co[m]pendiosum Magistri Venceslai Cracouin. editu[m] ..., Cracow: Florian Ungler (printer), 1515 (Warsaw, BN), fol. Air ◼
- Initial I(Am dictum est breuitur). 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. lxvir ◼
- Initial I(Am debemus ostendere) [upside down]. 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. xixv ◼
- Initial I(N vtrisque autem). 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. xxxviiiv ◼
- Initial I(Maginatio est sensibilium). 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. lxiiv ◼
- Initial I(N iis ergo) [upside down]. In Porphyry, Jacques Lefèvre d'Étaples, Textus Ueteris artis scilicet Isagogaru[m] Porphirij predicamento[rum] Aristotelis simul cum duobus libris perihermenias eiusde[m] eme[n]date impressum ad exemplar Jacobi Stapulensis rite capitulis distintum, Cracow: Florian Ungler (printer), Wolfgang Lern (printer), Jan Haller (publisher), 20 May 1516 (Warsaw, BN), fol. Fvv ◼
- Initial I(N omni). In Mikołaj of Toliszków, Iudicium celebratissime vniuersitatis Cracouien[sis] p[er] ... Nicolau[m] de Tolischow ..., Cracow: Florian Ungler (printer), Jan Haller (publisher), 1516 (Kórnik, BK PAN) ◼
- Initial I(N postrema). In Aristotle, Jacques Lefèvre d'Étaples, Prioru[m] analectico[rum] Aristotelis Philosophorvm Principis libri duo ..., Cracow: Jan Haller (printer), 1518 (Warsaw, BN), fol. Biiiv ◼
- Initial I(N secunda). In Aristotle, Jacques Lefèvre d'Étaples, Prioru[m] analectico[rum] Aristotelis Philosophorvm Principis libri duo ..., Cracow: Jan Haller (printer), 1518 (Warsaw, BN), fol. Ciiir ◼