| Composition | 40 Progressive Duette, Op. 55 (Köhler, Ernesto) for 2 flutes |
| Contributors | — |
| Publisher | — |
| Languages | — |
| License | Public Domain |
| Published | — |
| Edition | — |
| Parts? | No |
| Selections? | No |
| Vocal score? | No |
| Description | IMSLP filename | Pages |
|---|---|---|
| Heft 1 (Nos.1-25) | SIBLEY1802.16806.d47e-39087004853331score.pdf | 30 |
| Heft 2 (Nos.26-40) | PMLP364529-Kohler55pt2-flutes.pdf | — |
©2025 David P. Anderson