Exp : Klein, Felix Site: Leipzig Date: 1881-06-12
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : Your three Notes

Exp : Klein, Felix Site: Leipzig Date: 1881-06-19
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : Upon receiving your welcomed letter

Exp : Klein, Felix Site: Leipzig Date: 1881-06-25
Recipient/Object: Poincaré, Henri Site: Caen
Source : Henri Poincaré Papers Incipit : Please send me a postcard

Exp : Klein, Felix Site: Leipzig Date: 1881-07-02
Recipient/Object: Poincaré, Henri Site: Caen
Source : Henri Poincaré Papers Incipit : Allow me to answer at once

Exp : Klein, Felix Site: Leipzig Date: 1881-07-09
Recipient/Object: Poincaré, Henri Site: Caen
Source : Henri Poincaré Papers Incipit : By way of a quick reply

Exp : Klein, Felix Site: Leipzig Date: 1881-12-04
Recipient/Object: Poincaré, Henri Site: Caen
Source : Henri Poincaré Papers Incipit : By way of a quick reply

Exp : Klein, Felix Site: Leipzig Date: 1881-12-10
Recipient/Object: Poincaré, Henri Site: Caen
Source : Henri Poincaré Papers Incipit : I am glad that my offer agrees with you

Exp : Klein, Felix Site: Leipzig Date: 1882-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : I have not yet thanked you personally

Exp : Klein, Felix Site: Leipzig Date: 1882-04-03
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : When I received your letter

Exp : Klein, Felix Site: Leipzig Date: 1882-05-07
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : I recently read your note

Exp : Klein, Felix Site: Leipzig Date: 1882-05-14
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : In response to the letter

Exp : Klein, Felix Site: Leipzig Date: 1882-09-19
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : While on my side I was about

Exp : Klein, Felix Site: Göttingen Date: 1902-01-14
Recipient/Object: Poincaré, Henri Site: Paris
Source : Henri Poincaré Papers Incipit : Today I have a request to make