Source images IDS 17089 AGAD, AZ, 2999, f. 50, f. 50v (Latin fair copy in secretary's hand, author's signature, 16th-century)
Facsimile of the source from the collection of Archiwum Główne Akt Dawnych, AZ, 2999, f. 50 unavailable due to the lack of permission of the copyright holder.