- Initial O (Ungler 1512)
- Initial O(Rdo). 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 (Cracow, MNK, BCzart), fol. ir ◼
- Initial O(Rdo). 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 (Wrocław, Oss.), fol. ir ◼
- Initial O(Rdo). 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. ir ◼
- Initial O(Rdo). 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 (Wrocław, Oss.), fol. ir ◼
- Initial O(Rdo). 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. ir ◼
- Initial O(Rdo). 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 (Wrocław, Oss.), fol. ir ◼
- Initial O(Rdo). 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 (Warsaw, BN), fol. ir
- Initial O(Rdo). 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 (Wrocław, Oss.), fol. ir ◼
- Initial O(Mnia). In Johannes de Sacrobosco, Algorithmus Johannis de Sacro Busto, Cracow: Florian Ungler (printer), Jan Haller (publisher), 1513 (Kórnik, BK PAN), fol. Aiiir ◼
- Initial O( quam pulchra). In Piotr Gaszowiec, Co[m]putus nouus et ecclesiasticus totius fere Astronomie fundamentu[m] pulcheriu[m] continens ..., Cracow: Florian Ungler (printer), Wolfgang Lern (printer), 1 January 1514 (Cracow, BJ), fol. Aiv ◼