| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Bel Canto: A Theoretical and Practical Vocal Method | Paperback | 978-0-486-22315-5 | 1970 | |
| Marchesi Vocal Method, Vol. 1664, Op. 31 | Sheet music | 978-1-4234-3873-1 | 1986 | |
| University Musical Encyclopedia V6: Vocal Music And Musicians; The Vocal Art, Great Vocalists, Famous Songs | Hardcover | 978-0-548-23206-4 | 2007 | Louis C. Elson |
| University Musical Encyclopedia V6: Vocal Music And Musicians; The Vocal Art, Great Vocalists, Famous Songs | Paperback | 978-1-4326-3254-0 | 2007 | " |
Dover Publications · Hal Leonard · Kessinger Publishing, LLC