CLF289829 The staircase at 20 St. James\' Square, London, from \'The Country Houses of Robert Adam\', by Eileen Harris, published 2007 (b/w photo) by English Photographer, (20th century); (add.info.: built by Robert Adam (1728-92) for Sir Watkin Williams-Wynne 1771-75; the staircase was designed c.1772-74;); 穢 Country Life; English, out of copyright.