Henry, Duke of Gloucester by M. Knoedler & Company, The A.W. Mellon Educational and Charitable Trust, Adriaen Hanneman, Andrew W. Mellon, Brühl, Heinrich von, Count, Catherine II of Russia, The Carroll Gallery, Colnaghi & Co., Ltd., P. & D., State Hermitage Museum — VisualArtsDB

Henry, Duke of Gloucester by M. Knoedler & Company, The A.W. Mellon Educational and Charitable Trust, Adriaen Hanneman, Andrew W. Mellon, Brühl, Heinrich von, Count, Catherine II of Russia, The Carroll Gallery, Colnaghi & Co., Ltd., P. & D., State Hermitage Museum — VisualArtsDB