Source images IDS 18350 BCz, 3465, p. 19-22, p. 21 (Latin fair copy in secretary's hand, author's signature, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 3465, p. 19-22; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.