Thomas Gainsborough (1727–1788): Mr and Mrs William Hallett ("The Morning Walk"), Öl auf Leinwand, 236,2 x 179,1 cm, 1785; Bildquelle: National Gallery London, NG6209, http://www.nationalgallery.org.uk/paintings/thomas-gainsborough-mr-and-mrs-william-hallett-the-morning-walk. © National Gallery London.