Source images IDS 21547 BK, 230, p. 75-78, p. 77 (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. 75-78; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.