Share Sotheby’s, British Drawings and Watercolours, 25 November 1999 Thos. Agnew & Sons, English Watercolours and Drawings: Agnew’s 126th Annual Exhibition, 1999 (Agnew’s, 1999) Exhibitions British Watercolours 1750 to 1940: Catalogue 75 Martyn Gregory, Ltd. Martyn Gregory, London, 1999