| Ref No | WIA GC/1587 |
| Title | Federer-Köster, Anna to Warburg, Aby |
| Writer | Federer-Köster, Anna |
| Place1 | [Hamburg], Röhrendamm 248 |
| Recipient | Warburg, Aby |
| Date | 02/10/1905 |
| Format | manuscript, card |
| Contents | thanks him for his invitations but sends apologies |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/445 | Federer-Köster; Anna, née Köster | |