Source images IDS 20928 BK, 230, p. 27-28, p. 27 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Biblioteka Kórnicka Polskiej Akademii Nauk , 230, p. 27-28; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.