cayley1bcSender: Cayley, Arthur Site: Cambridge Date: 1883-10-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have to thank you very much for the valuable series of memoires

cayley2bcSender: Cayley, Arthur Site: Cambridge Date: 1884-03-03
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have to thank you very much as well for the last paper in the Acta

cayley3bcSender: Cayley, Arthur Site: Cambridge Date: 1884-03-10
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I was very much obliged for your letter

cayley4bcSender: Cayley, Arthur Site: Cambridge Date: 1888-06-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I received some time ago the scheme for the Répertoire bibliographique

cayley5bcSender: Cayley, Arthur Site: Cambridge Date: 1890-12-10
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: J'ai à vous remercier instamment tant pour l'ouvrage sur les théories de Maxwell

cayley6bcSender: Cayley, Arthur Site: Cambridge Date: 1892-01-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: J'ai à vous remercier beaucoup pour vos deux ouvrages, la Thermodynamique

glaisher1bcglaisher1eSender: Glaisher, James Whitbread Lee Site: Cambridge Date: 1892-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am very sorry not to have written to you before

darwin18990228bcSender: Darwin, George Howard Site: Cambridge Date: 1899-02-28
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: You have, I believe, already received an intimation

darwin18990303bSender: Darwin, George Howard Site: Cambridge Date: 1899-03-03
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am delighted to hear that there is a chance

darwin18990320bcSender: Darwin, George Howard Site: Cambridge Date: 1899-03-20
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I think you will be interested to learn

Sender: Darwin, George Howard Site: Cambridge Date: 1899-05-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: May I ask you to send to

darwin19000112bcSender: Darwin, George Howard Site: Cambridge Date: 1900-01-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: It is with much pleasure that I announce to you that the Royal Society

Sender: Darwin, George Howard Site: Cambridge Date: 1900-01-30
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I was very glad to hear that you will be able to be present

Sender: Darwin, George Howard Site: Cambridge Date: 1900-02-06
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I find that I was wrong in describing the dinner on Friday as a dinner of the Society

darwin19000516bSender: Darwin, George Howard Site: Cambridge Date: 1900-05-16
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I learn that the University has offered you the degree

darwin19000522bSender: Darwin, George Howard Site: Cambridge Date: 1900-05-22
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am sorry to hear that you think

Sender: Poincaré, Henri Site: Cambridge Date: 1900-06-13
Recipient/Object: Master of Trinity College Site: Cambridge
Source: Trinity College Library Incipit: Obligé de rentrer à Paris

Sender: Darwin, George Howard Site: Cambridge Date: 1901-00-00
Recipient/Object: Royal Society of London Site: London
Source: Royal Society Library Incipit: The treatment of the mutual energy of a thick layer of deformation

darwin19010528bSender: Darwin, George Howard Site: Cambridge Date: 1901-05-28
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I think it will interest you to hear that I have determined the limiting stability

darwin19010606bcSender: Darwin, George Howard Site: Cambridge Date: 1901-06-06
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have been computing the change of moment of inertia in the pear

darwin19010621bcdarwin19010621ehdarwin19010621fgSender: Darwin, George Howard Site: Cambridge Date: 1901-06-21
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I do not see how it is possible to solve the question

darwin19010731-2darwin19010731-3darwin19010731-4darwin19010731-5darwin19010731-6darwin19010731-7darwin19010731-8Sender: Darwin, George Howard Site: Cambridge Date: 1901-07-31
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have now devised a method which I think

darwin19010803bcdarwin19010803edarwin19010803fSender: Darwin, George Howard Site: Cambridge Date: 1901-08-03
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Since I wrote last I see that the method gives less

darwin19010808bcSender: Darwin, George Howard Site: Cambridge Date: 1901-08-08
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am glad you have found my letters worthy of attention

darwin-1901-08-12-2darwin-1901-08-12-3darwin-1901-08-12-4darwin-1901-08-12-5darwin-1901-08-12-6Sender: Darwin, George Howard Site: Cambridge Date: 1901-08-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I enclose your former letter

darwin19010825bcSender: Darwin, George Howard Site: Cambridge Date: 1901-08-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Since I last wrote I have continued to work at my subject

darwin19010827-2darwin19010827-3darwin19010827-4Sender: Darwin, George Howard Site: Cambridge Date: 1901-08-27
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have your letter and although I have not yet studied it

darwin19010901bcSender: Darwin, George Howard Site: Cambridge Date: 1901-09-01
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: In order to save you trouble I hasten to make confession

darwin19010908bcSender: Darwin, George Howard Site: Cambridge Date: 1901-09-08
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am interested to hear of the progress you have made

darwin19011012bSender: Darwin, George Howard Site: Cambridge Date: 1901-10-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have no doubt you are substantially right

darwin19011019bSender: Darwin, George Howard Site: Cambridge Date: 1901-10-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I send you a copy of the

darwin19011022bcSender: Darwin, George Howard Site: Cambridge Date: 1901-10-22
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Your M.S. has arrived

darwin19020114bcSender: Darwin, George Howard Site: Cambridge Date: 1902-01-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I have made a preliminary correction of your proof sheets

darwin19020515bcSender: Darwin, George Howard Site: Cambridge Date: 1902-05-15
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: I am drawing very near to the end of the arithmetic of the `Pear'