Source images IDS 21983 BCz, 245, p. 288 (t.p.), p. 288 tp (Latin rough draft autograph)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 245, p. 288 (t.p.); copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.