Source images IDS 18206 BCz, 3465, p. 37-40, p. 40 (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. 37-40; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
