Harewood, / Earl of
Who's who in British opera
Edited by Nicky Adam
Foreword by The Earl of Harewood
Cummings, David M.
McIntire, Dennis K.
International who's who in music and musician's directory
(in the classical and light classical fields)
Twelfth edition 1990/91
Consultant editors David M. Cummings; Dennis K. McIntire
Cambridge, England: International Who's Who in Music, 1991
Grove, George / Sir
British opera in retrospect. A project to encourage the performance of British operas
Sponsored and organised by the British Music Society for European music year, 1985
Opera Project Management Committee, 1986, 149 p.