Author: Creator:Johann Wolfgang Heydt Creator:Johann Carl Tetschner Nederlands: Anoniem / Anonymous (graveur / etser), Johann Wolfgang Heydt (tekenaar), Johann Carl Tetschner (uitgever) English: Anoniem / Anonymous (engraver / etcher), Johann Wolfgang Heydt (draughtsman), Johann Carl Tetschner (publisher)Source: commons.wikimedia.org
