Source images IDS 19653 BCz, 244, p. 6-7, p. 7 (Latin office copy in secretary's hand) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 6-7; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
