Source
Source: “Mein Kampf”, book cover with portrait photo of Heinrich
Hoffmann.
bpk-Bildagentur, image number 00023142. For rights
inquiries, please contact Art Resource at requests@artres.com (North
America) or bpk-Bildagentur at kontakt@bpk-bildagentur.de (for all other
countries). / Staatsbibliothek zu Berlin – Preußischer Kulturbesitz