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