Source images IDS 20844 BCz, 247, p. 293-298, p. 296 copy of letter of maurycy Ferber to Łukasz Górka (Latin fair copy in secretary's hand, 16th-century)
Facsimile of the source from the collection of Muzeum Narodowe w Krakowie, Biblioteka Czartoryskich, 247, p. 293-298; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.