| Identifier : | 1669 |
| Title : | H. Poincaré à Gustave Le Bon |
| Author surname : | Poincaré |
| Author first name : | Henri |
| Recipient surname : | Le Bon |
| Recipient first name : | Gustave |
| Sent from : | Paris |
| Date YYYY-MM-DD : | 1903-11-00 |
| Language : | fr |
| Incipit : | Poincaré a lu le mémoire de Le Bon |
| Source : | Private collection 02 |
| Transcription file : | lebon15 |
| Pages : | 1 |
| Document type : | PTrL |