F. Thompson, Foreword to Catalogue of Agnew Exhibition, 1948, pp. 8-9; F. Thompson, History of Chatsworth, 1949, pp. 24, 65n.; Waterhouse 1953, p. 177; WGC, pp. 21 n.1, 76, 172, pl. 31b; J. Harris, The Artist and the Country House, 1979, p. 75. fig. 72