Source images IDS 20909 BK, 230, p. 5-8, p. 6 (Latin fair copy in secretary's hand, author's signature, 16th-century) 
Facsimile of the source from the collection of Biblioteka Kórnicka Polskiej Akademii Nauk , 230, p. 5-8; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
