sylvester-1886-01-13-2Sender: Sylvester, James Joseph Date: 1886-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: J'ai attendu (avant de vous écrire et de vous remercier pour votre bonne et aimable lettre)

sylvester-1886-04-14-2sylvester-1886-04-14-3sylvester-1886-04-14-4Sender: Sylvester, James Joseph Site: London Date: 1886-04-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: L'oeuvre de

sylvester-1891-06-24-2sylvester-1891-06-24-3Sender: Sylvester, James Joseph Site: Oxford Date: 1891-06-24
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Je crois avoir démontré le théorème suivant

sylvester-1897-01-13a-2sylvester-1897-01-13a-3sylvester-1897-01-13a-4sylvester-1897-01-13a-5sylvester-1897-01-13a-6sylvester-1897-01-13a-7sylvester-1897-01-13a-8sylvester-1897-01-13a-9sylvester-1897-01-13a-10sylvester-1897-01-13a-11sylvester-1897-01-13a-12sylvester-1897-01-13a-13sylvester-1897-01-13a-14sylvester-1897-01-13a-15sylvester-1897-01-13a-16sylvester-1897-01-13a-17sylvester-1897-01-13a-18sylvester-1897-01-13a-19sylvester-1897-01-13a-20Sender: Sylvester, James Joseph Site: London Date: 1897-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Je crois être sur le point de trouver la preuve du Théorème

sylvester-1897-01-13b-2sylvester-1897-01-13b-3sylvester-1897-01-13b-4Sender: Sylvester, James Joseph Site: London Date: 1897-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: En parlant de la valeur