Signature mark | NL 174/3227 |
---|---|
Subject | Brief |
Author |
Wirtinger, Wilhelm
|
Recipient |
Mach, Ernst
|
Title | Wirtinger, Wilhelm an Mach, Ernst |
Places | Wien |
Duration | 05.10.1909 |
Scope | 2 S. hs. |
Rights notice | CC BY-SA 4.0 |