| Identifier : | 1888 |
| Title : | H. Poincaré to George Sarton |
| Author surname : | Poincaré |
| Author first name : | Henri |
| Recipient surname : | Sarton |
| Recipient first name : | George |
| Sent from : | Paris |
| Date YYYY-MM-DD : | 1911-00-00 |
| Language : | fr |
| Incipit : | Il m'est malheureusement impossible de collaborer |
| Source : | Houghton Library |
| Image file : | sarton-1911-1 |
| Pages : | 1 |
| Document type : | ALS |