found: Walthew, R. H. Sonata in D, for viola & piano forte ... 1938
found: FirstSearch NewsAbs(Watson Forbes; d. July 1997; viola virtuoso)
found: Oxford music online, April 24, 2013:Oxford dictionary of music (Forbes, Watson; born 1909, St. Andrews; died 1997, Great Wolford; Scottish viola player; violist in London Philharmonic Orchestra, 1932-1936, London Symphony Orchestra, 1936-1946; professor of chamber music, Royal Academy of Music, 1956-1964, of viola, 1958-1964; member Aeolian Quartet, 1944-1964; head of BBC Music, Scotland, 1964-1972; made many arrangements and transcriptions for viola)
found: Gaylord Music Library necrology file WWW site, April 24, 2013(Forbes, Watson; died June 25, 1997, at 87; Scottish violist and founder of the Aeolian String Quartet)
found: Wikipedia, April 22, 2013(Watson Forbes; born Watson Douglas Buchanan Forbes, November 16, 1909, St, Andrews; died June 25, 1997, Moreton-in-Marsh, Gloucestershire; Scottish violist and classical music arranger; from 1964 to 1974 he was Head of Music for BBC Scotland)