Source images IDS 18261 BCz, 403, p. 647-650, p. 649 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 403, p. 647-650; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.