Appendices including an index of role names and an index of incipits of arias, ensembles, and opera pieces.
opera | Metropolitan Opera | Royal Opera House | Oxford English Dictionary | Sydney Opera House | Vienna State Opera | San Francisco Opera | New York City Opera | The Phantom of the Opera (1986 musical) | The Threepenny Opera | Opera | Doctors (soap opera) | Falstaff (opera) | Paris Opera | Dictionary of National Biography | Royal Swedish Opera | Opera Australia | Lyric Opera of Chicago | Boris Godunov (opera) | The Beggar's Opera | Tannhäuser (opera) | Santa Fe Opera | opera house | Houston Grand Opera | Zurich Opera | Opera North | Dallas Opera | English National Opera | Welsh National Opera | Lulu (opera) |
He has also published editions of the music of Josef Mysliveček and Giovanni Benedetto Platti and was a contributor to the New Grove Dictionary of Opera (1992) and the revised New Grove Dictionary of Music and Musicians (2001).