Source images IDS 20646 BCz, 244, p. 169, p. 169 (Latin office copy in secretary's hand) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 169; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
