Farokh Hesamian · Frauke Hagemann
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Group Vocal Technique | 978-0-937276-11-2 (0-937276-11-1) | 1991 | James Mark Jordan | |
| Group Vocal Technique - Vocalist Cards | 978-0-937276-13-6 (0-937276-13-8) | |||
| Handbuch der chorischen Stimmbildung | 978-3-7618-0691-3 (3-7618-0691-4) | 2000 | Wilhelm Ehmann | |