Francis Calley Gray

Samuel Amsler, 19th century

Johann Nicolaus Hoff, 1827

Johann August Eduard Mandel, 19th century

Mathias Gottfried Eichler, 18th-19th century

Johann Heinrich Friedr. Ludwig Knolle, 19th century

Ludwig Heitland, 19th century

Johann Friedrich Wilhelm Müller, 18th-19th century

Tamme Weyerd Theodor Janssen, 19th century

Christian Julius Gustav Planer, 19th century

Johann Friedrich Wilhelm Müller, 18th-19th century

Johann Burger, 19th century

Johann Friedrich Müller, 19th century