| Signature mark | NL 174/1684 |
|---|---|
| Subject | Brief |
| Author |
Keyserling, Hermann
|
| Recipient |
Mach, Ernst
|
| Title | Keyserling, Hermann Graf von an Mach, Ernst |
| Places | Berlin |
| Duration | 22.10.1906 |
| Scope | 4 S. hs. |
| Further information |
Published in:
Thiele 1978, S. 103f.; Thiele 1970b, S. 425f. |
| Rights notice | CC BY-SA 4.0 |