Source images IDS 21824 BCz, 245, p. 261-262, 271 (t.p.), p. 271 tp (Latin rough draft autograph)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 245, p. 261-262, 271 (t.p.); copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.