Source images IDS 20400 BCz, 244, p. 76 (b.p.), p. 76 bp (Latin rough draft autograph) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 244, p. 76 (b.p.); copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
