From "Erinnerungsspur" (Memory's Trace) by Smith, Joshua P., National Gallery of Art, Patrons' Permanent Fund, Appelt, Dieter — VisualArtsDB

From "Erinnerungsspur" (Memory's Trace) by Smith, Joshua P., National Gallery of Art, Patrons' Permanent Fund, Appelt, Dieter — VisualArtsDB