Source images IDS 20690 BCz, 244, p. 188-187(!), p. 187 (Latin office copy in secretary's hand) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 188-187(!); copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
