A Portrait of Count Ferdinand von Werdenberg, standing full-length, stepping from a Staircase with a Brittany Spaniel

LITERATURE:
Professor Werner Sumowski has called this painting a "Hauptwerk" (Masterpiece) by Hoogstraten and will include it in his forthcoming VI Volume of his "Gemalde der Rembrandt-Schuler";
Professor Celeste Brusati will also include the painting in her forthcoming monograph on Hoogstraten to be published by the University of Chicago Press Enquire about this painting