Francis Calley Gray

Johann August Eduard Mandel, 19th century

Christian Haldenwang, 19th century

Lazarus Gottlieb Sichling, 19th century

Ladislaus Rupp, 19th century

Christian Haldenwang, 19th century

Paul Jacob Laminit, 19th century

Carl Joseph Alois Agricola, 19th century

George Jakob Felsing, 19th century

Moritz Steinla, 19th century

Ferdinand Anton Krüger, 1851

Carl Joseph Alois Agricola, 19th century

Johann Conrad Ulmer, 18th-19th century