| Ref No | WIA GC/17558 |
| Title | Hartz, Otto to Warburg, Aby 11/06/1926 |
| Writer | Hartz, Otto |
| Place1 | Blankenese |
| Recipient | Warburg, Aby |
| Date | 11/06/1926 |
| Format | manuscript |
| Contents | sends birthday greetings |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/32 | Hartz; Otto; Dr. | |