Source images IDS 20643 BCz, 247, p. 277-280, p. 280 (Latin fair copy autograph, author's signature, 16th-century) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 247, p. 277-280; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
