Source images IDS 21210 AGAD, AZ, 2999, f. 168, f. 168r (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. 168 unavailable due to the lack of permission of the copyright holder.