The Hoppner Children by Knoedler & Company, M., Widener, Joseph E., National Gallery of Art, Hoppner, John, Mrs., Widener, Peter Arrell Brown, Agnew & Sons, Ltd., Thomas, Hoppner, Catherine Hampden, Hoppner, John, Christie, Manson & Woods, Ltd., Hoppner, Richard Belgrave — VisualArtsDB
