Exact Matching Concepts from Other Schemes
- found: His The enjoyment of opera, 1969.
- found: Times online WWW site, Aug. 16, 2007 (Alan Blyth; b. July 27, 1929; d. Aug. 14, 2007; prolific critic and broadcaster known particularly for his expertise in the field of vocal music)
- 1981-12-11: new
- 2007-08-16: revised