Source images IDS 18973 BJ, 91, f. 9, f. 9r (Latin fair copy in secretary's hand, author's signature, 16th-century)
Facsimile of the source from the collection of Biblioteka Jagiellońska, 91, f. 9; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.