Source images IDS 22556 BCz, 403, p. 621-624, p. 624 (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, 403, p. 621-624; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.