Source images IDS 17915 BCz, 242, p. 177-179, 184, p. 177 (Latin office copy autograph, in secretary's hand) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 242, p. 177-179, 184; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
