| Signature mark | NL 174/1439 |
|---|---|
| Subject | Brief |
| Author |
Hegeler, Edward C.
|
| Recipient |
Mach, Ernst
|
| Title | Hegeler, Edward C. an Mach, Ernst |
| Places | Chicago |
| Duration | 12.11.1888 |
| Scope | 1 S. hs. |
| Rights notice | CC BY-SA 4.0 |