Source images IDS 20930 BK, 230, p. 31-32, p. 31 (Latin fair copy autograph, 16th-century)
Facsimile of the source from the collection of Biblioteka Kórnicka Polskiej Akademii Nauk , 230, p. 31-32; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.