Source images IDS 20337 BCz, 244, p. 53-54, p. 54 (Latin office copy in secretary's hand)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 53-54; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.