| Ref No | WIA GC 1931/2431 |
| Title | Bing, Gertrud to Porten, Walter von der 28/10/1931 |
| Writer | Bing, Gertrud |
| Institution1 | KBW |
| Place1 | Hamburg |
| Recipient | Porten, Walter von der |
| Place2 | Lausanne, La Rosiaz, Vallefort |
| Date | 28/10/1931 |
| Format | typescript, carbon copy |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/1490 | Bing; Gertrud (07/06/1892-03/07/1964); Prof. Dr. phil. | 07/06/1892-03/07/1964 |
| DS/UK/345 | Porten; Walter von der | |