| [T18516] | Initial O(CTAVVS). In Johann Funck, Chronologia Hoc Est Omnivm Temporvm Et Annorvm ... computatio ..., Königsberg: Hans Lufft (printer), 1552 (Vienna, ÖNB), fol. 2r ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T20372] | Initial O(s iusti). In Missae Propriae Patronorvm Et Festorvm Regni Poloniae ..., Cracow: Andrzej (I) Piotrkowczyk (printer), 1611 (Kórnik, BK PAN), p. 15 ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T89090] | Initial O(Betowant) - Presentation of Christ in the Temple. In Piesně chwal Božskych ..., Szamotuły: Aleksander Augezdecki (printer), 25 January 1560 - 7 June 1561 (Cracow, MNK, BCzart) ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T88060] | Initial O(MNIBVS). In Constitucie Statuta y Przywileie na walnych Seymiech Koronnych od Roku Panskiego 1550 aż do Roku 1581 vchwalone, Cracow: Mikołaj Szarfenberger (printer), 6 March 1581 (Cracow, MNK, BCzart), fol. 155r ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T86642] | Initial O(MNIMODA). In Jan van Campen, Prouerbia Salomonis..., Cracow: Florian Ungler (printer), [after 19 February] 1534 (Olsztyn, Biblioteka MWiM), fol. Bviiv | printing: impression | page: initial | woodcut | paper | book decoration: illustration | | | | | | | |
| [T31225] | Initial O(ZNaymuiem) - Eagle. In Constitucie Statuta y Przywileie na walnych Seymiech Koronnych od Roku Panskiego 1550 aż do Roku 1581 vchwalone, Cracow: Mikołaj Szarfenberger (printer), 6 March 1581 (Cracow, MNK, BCzart), p. 6 ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T33640] | Initial O(Znaymuiemy) - Eagle. In Stanisław Sarnicki, Statvta Y Metrika Przywileiow Koronnych ..., Cracow: Drukarnia Łazarzowa (Łazarz Printing House) (printer), Jan Januszowski (printer), 1594 (Warsaw, BN), p. 851 ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T20592] | Initial O(RZECH) - allegorical likeness of Stanisław Orzechowski. In Stanisław Orzechowski, Qvincvnx Tho iest Wzor Korony Polskiey ..., Cracow: Łazarz Andrysowicz (printer), 1564 (Cracow, BJ), fol. H2v ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T73110] | Lucas (I) Cranach (printmaker), Initial O(S iusti meditabitur). In Missale Pataviense, Vienna: Johann Winterburger (printer), 25 May 1503, fol. CCLIIv ◼ | printing: impression | page: initial | white‑line woodcut, red letterpress, monochrome colour printing | paper | book decoration: illustration |  | | | | | | |
| [T20544] | Initial O(RIGO) - White Eagle with Monogram of Sigismund I. In Maciej Miechowita, Chronica Polonorv[m], Cracow: Hieronim Wietor (printer), 1519 (Cracow, BJ), p. I ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T50221] | Initial O(To pan). In Cantional Albo Ksiegy chwal Boskych ..., Walenty Brzozowski (translator), Königsberg: Aleksander Augezdecki (printer), 15 March 1554 (Toruń, BUT), fol. C1r ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |
| [T75288] | Initial O(R apres la mort) - Putto. In La Saincte Bible, Jacques Lefèvre d'Étaples (translator), Antwerp: Merten de Keyser (printer), 1534, fol. lxxviiv ◼ | printing: impression | page: initial | white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T75183] | Initial O( Insensati Galatae) - Stork. In Biblia cum concordantiis veteris et novi testamenti, Jerome of Stridon (translator), Lyon: Jacques Sacon (printer), Anton (II) Koberger (publisher), 10 May 1518 (Munich, BSB), fol. CCXCIIIr ◼ | printing: impression | page: initial | white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T26883] | Initial O(Mnis ars). In Petrus Roselli, Quaestiones in libros Posterioru[m] Analetico[rum] et topicoru[m] Aristotelis cum resolutio[n]e textus clarissima ad intentionem doctoris Scoti, Cracow: Jan Haller (printer), Florian Ungler (printer), 1512 - 1513 (Wrocław, Oss.), fol. 2r ◼ | printing: impression | page: initial | hand colouring, white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T25097] | Initial O(Mnis ars). In Petrus Roselli, Quaestiones in libros Posterioru[m] Analetico[rum] et topicoru[m] Aristotelis cum resolutio[n]e textus clarissima ad intentionem doctoris Scoti, Cracow: Jan Haller (printer), Florian Ungler (printer), 1512 - 1513 (Wrocław, Oss.), fol. 2r ◼ | printing: impression | page: initial | white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T49677] | Initial O(Mnipotens et misericors deus). In Missale Cracouiense, Cracow: Jan Haller (printer), 27 October 1509 (Wrocław, Oss.), LXVIIr ◼ | printing: impression | page: initial | white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T73494] | Initial O( Wer gibt dich mein bruder) - Putto. In Das dritte teyl des Allten Testaments mit fleyss verteutscht, Nuremberg: Friedrich Peypus (printer), 1524 (Stuttgart, WLB), fol. LXIXv ◼ | printing: impression | page: initial | woodcut, hand colouring | paper | book decoration: illustration |  | | | | | | |
| [T65890] | Initial O( Das mir dein mund) - Owl. In Die gantze Bibel der vrsprünglichẽ Ebraischen vnd Griechischen waarheyt ..., Huldrych Zwingli (translator), Zürich: Christoph Froschauer (printer), 1531 (Zürich, Grossmünster), fol. LXXIIr ◼ | printing: impression | page: initial | hand colouring, white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T65880] | Initial O( Wie falig ist der mensch) - Owl. In Die gantze Bibel der vrsprünglichẽ Ebraischen vnd Griechischen waarheyt ..., Huldrych Zwingli (translator), Zürich: Christoph Froschauer (printer), 1531 (Zürich, Grossmünster), fol. XVv ◼ | printing: impression | page: initial | hand colouring, white‑line woodcut | paper | book decoration: illustration |  | | | | | | |
| [T63711] | Initial O (Meyne). In Folget dy historie wy das Bylde der Junckfrau, Cracow: Jan Haller (printer), 1514 - 1524 (Cracow, BJ) ◼ | printing: impression | page: initial | woodcut | paper | book decoration: illustration |  | | | | | | |