- Initial I - mythological: Icarus and Daedalus? (Daubmann; Fabricius)
- Initial I(MPVDENTIS). In Pietro Paolo Vergerio, Catalogvs Haereticorvm ..., Königsberg: Hans Daubmann (printer), 1556 (Munich, BSB), fol. A2r ◼
- Initial I(Nterest). In Otmar Epplin, Selectiora Vetvstissimorvm Ac Probatissimorvm Patrvm Ivdicia..., Königsberg: Hans Daubmann (printer), 1560 (Augsburg, SSB)
- Initial I(Oannes). In Otmar Epplin, Selectiora Vetvstissimorvm Ac Probatissimorvm Patrvm Ivdicia..., Königsberg: Hans Daubmann (printer), 1560 (Augsburg, SSB), fol. H1r
- Initial I(N diebus). In Otmar Epplin, Selectiora Vetvstissimorvm Ac Probatissimorvm Patrvm Ivdicia..., Königsberg: Hans Daubmann (printer), 1560 (Augsburg, SSB), fol. kk2r
- Initial I(Bat). In Otmar Epplin, Selectiora Vetvstissimorvm Ac Probatissimorvm Patrvm Ivdicia..., Königsberg: Hans Daubmann (printer), 1560 (Augsburg, SSB), fol. ccc6r
- Initial I(Deo). In Otmar Epplin, Selectiora Vetvstissimorvm Ac Probatissimorvm Patrvm Ivdicia..., Königsberg: Hans Daubmann (printer), 1560 (Augsburg, SSB), fol. mmm5v
- Initial I(Zem then). In Enchiridion. Katechizmus mały prze plebany i kaznodzieje niedouczone, i lud prosty, Jan Radomski (translator), Königsberg: Hans Daubmann (printer), 1562 (Gdańsk, PAN Biblioteka Gdańska), fol. 2r ◼
- Initial I(Ntuenti). In Petrus Sickius, Oratio De vestigiis Sapientiae Et Providentiae Dei, Qvae artibus impressa sunt ..., Königsberg: Hans Daubmann (printer), 1562, fol. A2r ◼
- Initial I(VSTICIA). In Daniel Halbach, Collegivm Ethicum Doctrinam Aristoteleam De Moribus ... comprehendens ..., Königsberg: Johann Fabricius (printer), 1618 (Berlin, SBB) ◼