Henri Couillaud's 20 Etudes De Perfectionnement for Trombone.
| Arrangement | Trombone |
| Genres | Classical |
| Format | Instrumental Work, Score |
| Media | Sheet Music |
| Publisher | Alphonse Leduc, Leduc, United Music Publishers |
| Contributors | Couillaud, Henri (Composer) |
| Language | English, French |
| ISBN | 9790046175992 |
| ISMN | M046175992 |