Source images IDS 21300 BCz, 245, p. 87-90, p. 90 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 245, p. 87-90; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.