Signature mark | NL 174/3100 |
---|---|
Subject | Brief |
Author |
Tschermak, Gustav
|
Recipient |
Mach, Ernst
|
Title | Tschermak von Seysenegg, Gustav an Mach, Ernst |
Places | Wien |
Duration | 14.09.1909 |
Scope | 1 S. hs. |
Rights notice | CC BY-SA 4.0 |