| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Operas of Monteverdi | 978-0-7145-4207-2 (0-7145-4207-5) | 1992 | Claudio Monteverdi |
| Parsifal | 978-0-7145-4079-5 (0-7145-4079-X) | 1986 | Richard Wagner ยท Andrew Porter |
| The Operas of Michael Tippett. English National Opera Guide 29 | 978-0-7145-4061-0 (0-7145-4061-7) | 1985 | Michael Tippett |