Signature mark | NL 174/1747 |
---|---|
Subject | Brief |
Author |
Knapp, Alfred
|
Recipient |
Mach, Ernst
|
Title | Knapp, Alfred an Mach, Ernst |
Places | Zürich |
Duration | 19.02.1913 |
Scope | 1 S. ms. |
Rights notice | CC BY-SA 4.0 |