| Ref No | WIA GC/1905/226 |
| Title | Helm, Karl to Warburg, Aby 29/09/1905 |
| Writer | Helm, Karl |
| Place1 | Giessen |
| Recipient | Warburg, Aby |
| Date | 29/09/1905 |
| Format | manuscript |
| Contents | cancels an appointment |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/788 | Helm; Karl Hermann Georg (19/05/1871-09/09/1960); Prof. Dr. | 19/05/1871-09/09/1960 |
| DS/UK/2245 | Warburg; Aby Moritz (13/06/1866-26/10/1929); Professor, Dr. | 13/06/1866-26/10/1929 |