| Signature mark | NL 265/0658 |
|---|---|
| Subject | Brief (2) |
| Author |
Schack, Wilhelm
|
| Recipient |
Ursinus, Oskar
|
| Title | Schack, Wilhelm an Ursinus, Oskar |
| Contains | Anfertigung von Fotografien fliegender Libellen in Westafrika; Antwortkonzept von Ursinus |
| Places | Benguela |
| Duration | 12.07.1937 |
| Scope | 2 Bl. hs. u. Ds. |
| Subject area | Flug in der Natur: Tiere <740.01.02> |
| Rights notice | CC BY-SA 4.0 |
