Sender: Guccia, Giovanni Battista Site: Palermo Date: 1899-05-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Votre travail est en composition

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1899-07-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Veuillez m'excuser

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1901-02-16
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: J'apprend avec le plus grand plaisir

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1901-05-27
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Je viens de vous faire expédier (recommandées) les épreuves

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1902-02-14
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Avec plaisir je publierais la suite du mémoire de M.~Donder

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1903-11-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: En réponse à votre lettre du 16

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1905-07-16
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Je vous remercie infiniment d'avoir pensé à nos ``RENDICONTI''

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1905-11-25
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Ce matin, la Rédaction

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1905-12-19
Recipient/Object: Poincaré, Henri Site: Paris
Source: Circolo matematico di Palermo Incipit: Je viens de vous faire expédier

Sender: Guccia, Giovanni Battista Site: Palermo Date: 1908-06-22
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Mi onoro di comunicare alla

guccia-1911-12-12-2Sender: Guccia, Giovanni Battista Site: Palermo Date: 1911-12-12
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Je vous confirme ma dépêche

guccia-1912-04-06-2Sender: Guccia, Giovanni Battista Site: Palermo Date: 1912-04-06
Recipient/Object: Poincaré, Henri Site: Palaiseau
Source: Private collection 75017 Incipit: Seulement

guccia-1912-06-21-2Sender: Guccia, Giovanni Battista Site: Palermo Date: 1912-06-21
Recipient/Object: Poincaré, Henri Site: Paris
Source: Private collection 75017 Incipit: Je viens de lire dans

guccia-poulaindandecy-1912-09-18-2guccia-poulaindandecy-1912-09-18-3guccia-poulaindandecy-1912-09-18-4guccia-poulaindandecy-1912-09-18-5guccia-poulaindandecy-1912-09-18-6guccia-poulaindandecy-1912-09-18-7guccia-poulaindandecy-1912-09-18-8Sender: Guccia, Giovanni Battista Site: Lucerne Date: 1912-09-18
Recipient/Object: Poulain d'Andecy, Louise Site: Paris
Source: Private collection Paris 75017 Incipit: Votre aimable lettre du 29 juillet

guccia-poulaindandecy-1912-12-28-2Sender: Guccia, Giovanni Battista Site: Lucerne Date: 1912-12-28
Recipient/Object: Poulain d'Andecy, Louise Site: Paris
Source: Private collection Paris 75017 Incipit: Veuillez m'excuser si