| Composition | Vertraulich!, Op. 23 (Klein, John) for voice and piano |
| Contributors | — |
| Publisher | Anton J. Benjamin |
| Languages | — |
| License | Public Domain |
| Published | — |
| Edition | — |
| Parts? | No |
| Selections? | No |
| Vocal score? | No |
| Description | IMSLP filename | Pages |
|---|---|---|
| Complete Score and Vocal Part | PMLP1061807-KleinJohn_Vertraulich.pdf | — |
©2025 David P. Anderson