| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-1-877761-17-1 | Robert Caldwell · Joan Wall | Mastering the Fundamentals (Excellence in Singing Series Volume 2) |
| '' | 978-1-877761-18-8 | Robert Caldwell · Joan Wall | Advancing the Technique (Excellence in Singing Series Volume 3) |
| '' | 978-1-877761-19-5 | '' | Becoming an Artist (Excellence in Singing Series Volume 4) |
| 1989 | 978-1-877761-50-8 | Joan Wall | International Phonetic Alphabet for Singers: A Manual for English and Foreign Language Diction |
| 1990 | 978-1-877761-51-5 | Joan Wall · Robert Caldwell · Tracy Gavilanes · Sheila Allen | Diction for Singers: A Concise Reference for English, Italian, Latin, German, French and Spanish Pronunciation |
| 1994 | 978-1-877761-64-5 | Richard Boldrey | Guide to Operatic Roles and Arias |
| 1996 | 978-1-877761-68-3 | Carol Kimball | Song: A Guide to Style and Literature |