Source images IDS 21976 BCz, 245, p. 285, p. 285 (Latin office copy in secretary's hand) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 245, p. 285; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
