Source images IDS 17667 BCz, 242, p. 14, p. 14 (Latin office copy in secretary's hand)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 242, p. 14; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.