Source images IDS 19664 BCz, 244, p. 23-25, p. 24 (Latin office copy in secretary's hand)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 23-25; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.