Sender: Klein, Felix Site: Leipzig Date: 1881-06-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Ihre 3 Noten

Sender: Klein, Felix Site: Leipzig Date: 1881-06-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Vos trois Notes dans les Comptes Rendus

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

Sender: Klein, Felix Site: Leipzig Date: 1881-06-19
Recipient/Object: Poincaré, Henri Site: Caen
Source: Published source Incipit: Als ich gestern Ihren willkommenen Brief erhielt

Sender: Klein, Felix Site: Leipzig Date: 1881-06-19
Recipient/Object: Poincaré, Henri Site: Caen
Source: Henri Poincaré Papers Incipit: Au reçu, hier, de votre lettre, je vous ai envoyé immédiatement les tirés à part

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

Sender: Klein, Felix Site: Leipzig Date: 1881-06-25
Recipient/Object: Poincaré, Henri Site: Caen
Source: Published source Incipit: Schreiben Sie mir doch bitte umgehend eine Karte

Sender: Klein, Felix Site: Leipzig Date: 1881-06-25
Recipient/Object: Poincaré, Henri Site: Caen
Source: Henri Poincaré Papers Incipit: Envoyez-moi, je vous prie, sans tarder une carte

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

Sender: Klein, Felix Site: Leipzig Date: 1881-07-02
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Lassen Sie mich die verschiedenen Fragen

Sender: Klein, Felix Site: Leipzig Date: 1881-07-02
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Laissez moi, sans tarder, répondre aux différentes questions que vous me posez dans votre lettre

Sender: 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

Sender: Klein, Felix Site: Leipzig Date: 1881-07-09
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: In vorläufiger Beantwortung Ihres Briefes

Sender: Klein, Felix Site: Leipzig Date: 1881-07-09
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: En tant que réponse rapide à votre lettre

Sender: 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

Sender: Klein, Felix Site: Leipzig Date: 1881-12-04
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Nachdem ich lange über die uns gemeinsam

Sender: Klein, Felix Site: Leipzig Date: 1881-12-04
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Après avoir longtemps réfléchi

Sender: 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

Sender: Klein, Felix Site: Leipzig Date: 1881-12-10
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Es freut mich, dass meine Aufforderung Ihnen angenehm war

Sender: Klein, Felix Site: Leipzig Date: 1881-12-10
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Que ma proposition vous ait été agréable

Sender: 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

Sender: Klein, Felix Site: Leipzig Date: 1882-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Ich habe Ihnen nicht persönlich

Sender: Klein, Felix Site: Leipzig Date: 1882-01-13
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Je ne vous ai pas encore remercié personnellement

Sender: 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

Sender: Klein, Felix Site: Düsseldorf Date: 1882-04-03
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Ihre Zusendung, die ich gestern über Leipzig erhalten habe

Sender: Klein, Felix Site: Düsseldorf Date: 1882-04-03
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Votre envoi, reçu hier de Leipzig

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

Sender: Klein, Felix Site: Leipzig Date: 1882-05-07
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Vor kurzem las ich Ihre Note

Sender: Klein, Felix Site: Leipzig Date: 1882-05-07
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Il y a peu, j'ai lu votre Note

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

Sender: Klein, Felix Site: Leipzig Date: 1882-05-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: In Beantwortung Ihres eben eintreffenden Briefes

Sender: Klein, Felix Site: Leipzig Date: 1882-05-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: En réponse à votre lettre

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

Sender: Klein, Felix Site: Leipzig Date: 1882-09-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Published source Incipit: Im Begriffe, meinerseits eine längere Arbeit

Sender: Klein, Felix Site: Leipzig Date: 1882-09-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Étant en train de terminer un travail

Sender: 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

Sender: Klein, Felix Site: Göttingen Date: 1896-04-16
Recipient/Object: Poincaré, Henri Site: Paris
Source: Niedersächsische Staats- und Universitätsbibliothek Incipit: Heute schreibe ich Ihnen wegen des in Zürich für 1897 geplanten internationalen mathematischen congreßes

Sender: Klein, Felix Site: Göttingen Date: 1899-08-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Niedersächsische Staats- und Universitätsbibliothek Incipit: Beifolgend schreibe ich Ihnen der mathematische Schema

klein-1902-01-14-2klein-1902-01-14-3klein-1902-01-14-4Sender: Klein, Felix Site: Gottingen Date: 1902-01-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Heute komme ich mit einer Bitte

Sender: Klein, Felix Site: Göttingen Date: 1902-01-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Henri Poincaré Papers Incipit: Aujourd'hui j'arrive avec une sollicitation

Sender: 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

Sender: Klein, Felix Site: Gottingen Date: 1906-06-16
Recipient/Object: Poincaré, Henri Site: Paris
Source: Niedersächsische Staats- und Universitätsbibliothek Incipit: Ehe ich Ihnen schrieb