Source images IDS 20507 BCz, 2713, p. 1-2, p. 2 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 2713, p. 1-2; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.