| Ref No | WIA GC/1890/11 |
| Title | Hartz, Otto; Ruben, Paul; Hahn, Georg and Calinich, Johannes to Warburg, Aby 04/03/1890 |
| Writer | Hartz, Otto; Ruben, Paul; Hahn, Georg, styled 'Jungbursch';Calinich, Johannes, styled 'Clix' |
| Place1 | Bonn |
| Recipient | Warburg, Aby |
| Place2 | Strasbourg |
| Date | 04/03/1890 |
| Format | manuscript, postcard |
| Contents | the student fraternity informs Warburg that Georg Hahn has passed his exam and has graduated from being a 'Fuchs' to becoming a 'Bursch' |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/9 | Ruben; Paul (1866-1943) | 1866-1943 |
| DS/UK/32 | Hartz; Otto; Dr. | |
| DS/UK/58 | Calinich; Johannes (06/11/1866-) | 06/11/1866- |
| DS/UK/65 | Hahn; Georg | |
| DS/UK/2245 | Warburg; Aby Moritz (13/06/1866-26/10/1929); Professor, Dr. | 13/06/1866-26/10/1929 |