Engraved portrait of Beethoven by Friedrich Wilhelm Bollinger, based on an engraving by Blasius Höfel, after a drawing by Louis Letronne (Zwickau: Gebr. Schumann, [ca. 1820]; engraved portrait of Beethoven by Joseph Steinmüller after a drawing by Decker (no place or date); offered in a collection of engraved portraits of Gluck and Mozart.