| Ref No | WIA GC/1907/370 |
| Title | Hopfen, Otto Helmut to Warburg, Aby 16/06/1907 |
| Writer | Hopfen, Otto Helmut |
| Place1 | Rome, Pension Boos |
| Recipient | Warburg, Aby |
| Date | 16/06/1907 |
| Format | manuscript |
| Contents | he cannot attend the International Congress of the History of Art; promises to support Warburg |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/1244 | Hopfen; Otto Helmut (1870-); Dr. | 1870- |
| DS/UK/2245 | Warburg; Aby Moritz (13/06/1866-26/10/1929); Professor, Dr. | 13/06/1866-26/10/1929 |