Source images IDS 20633 BCz, 247, p. 275-276, p. 276 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 247, p. 275-276; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.