Francis Calley Gray

Johann Friedrich Wilhelm Müller, 18th-19th century

Johann Gabriel Friedrich Poppel, 19th century

E. Rittinghaus, 19th century

Johann Gotthard von Müller, 18th-19th century

Auguste Hüssener, 19th century

Paul Jacob Laminit, 19th century

Carl Hermann Theodor Langer, 19th century

Carl Ludwig Schuler, 19th century

Eugen Eduard Schäffer, 19th century

Peter Lutz, 19th century

Johann Burger, 19th century

Moritz Steinla, 19th century