Special thanks to Wendy & Gordon Hawksley, of Sheffield, England, friends of the JSS Gallery, for sending me headsup on this drawing.
D. McKibben, Sargent's Boston with an Essay and a Biographical Summary and a complete Check List of Sargent's portraits, Boston, 1956, p. 109.
Sold at Christies, London, Nov 20, 2003; Sale #6825, Lot 181; £22,705 GBP (£ 1 = US$ 1.69); estimated 4,000-6,000 GBP