Portret van Sigismund Friedrich Hermbstaedt

Portret van Stanislaus Leszczyński, koning van Polen

Johann Ferdinand Krethlow (possibly), 1777 - 1842

Portret van Jean Pierre Erman

Johann Ferdinand Krethlow (mentioned on object), 1805

Portret van Victor Friedrich Gottlieb von Biedersee

Johann Ferdinand Krethlow (mentioned on object), 1817 - 1842

Portret van Johann Bartholomäus Trommsdorff

Johann Ferdinand Krethlow (mentioned on object), 1798

Portret van Johann Gottlob Bernstein

Johann Ferdinand Krethlow (mentioned on object), 1777 - 1842

Portret van Sigismund Friedrich Hermbstaedt

Johann Ferdinand Krethlow (mentioned on object), 1797