Source images IDS 18139 BCz, 247, p. 73-76, p. 76 (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, 247, p. 73-76; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
