Source images IDS 21825 BCz, 245, p. 263-264, 274-273(!), p. 263 (Latin rough draft autograph) 
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 245, p. 263-264, 274-273(!); copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
