| Signature mark | NL 174/2303 |
|---|---|
| Subject | Brief |
| Author |
Nagel, Oskar
|
| Recipient |
Mach, Ernst
|
| Title | Nagel, Oskar an Mach, Ernst |
| Places | New York City |
| Duration | 17.08.1908 |
| Scope | 2 S. hs. |
| Rights notice | CC BY-SA 4.0 |