Signature mark | NL 174/2527 |
---|---|
Subject | Brief |
Author |
Planck, Max
|
Recipient |
Mach, Ernst
|
Title | Planck, Max an Mach, Ernst |
Places | Berlin |
Duration | 25.06.1893 |
Scope | 3 S. hs. |
Further information |
Published in:
Heller 1964, S. 28f. |
Rights notice | CC BY-SA 4.0 |