Lettres de 1885 : P. WALTER (24, 29.01, 06.03, 06, 24.04, 26.05, 22, 29.06 copie, 20.07, 21, 22.08, 05, 21.09, 19.10, 16.11, 14, 15, 29.12), P. MAUGER (10.02, 07.03), P. MESSAGER (02.03), P. MONTEL (23.06), P. WALTER et Fr Mathurin (26.05 sur l'oeuvre d'Ampobilava), Fr Mathurin (18.10, 12.11).
1886 : P. WALTER (11.01, 08.02, mars, 28.03, 30.04, 03, 28.05, 06, 15, 28.06, 22.07, 26.08, 15, 19, 20.09, 17.10, 10, 18.11), P. POYET-POULET (janv.), M. ARMANET (04.02, 06, 27.03 copies), M. des MAZIS (25.12).
1887 : P. WALTER (09, 16, 31.01, 20.02 notes du personnel, 02, 28.03, 28.04, 23, 25.05, 06, 19.06, 17.07, 16, 26.08, 10.09, 10.10, 08.11, 02, 05, 15.12).
1886-1888 : (diffilculté entre P. Walter et Fr. Mathurin) P. WALTER (21.09, 30.11.1886, 29.01, sans date, 15.02, 14.04.1887), M. GUILLAUME (17.11.1887, 11.01.1888), Fr Mathurin (22.02, 06, 29.03.1888).
1888 : P. WALTER (04.01, 01, 29.02, 01, 26, 28.03, 20.04, 17, 22, 31.05, 20.06, 15.07 (2), 14.08, 04.09, 28.10, 30.11, 27.12), abbé MEAR (28.09).
1889 : P. WALTER (02.01, 04.02, 05.03, 04, 30.04, 03.05, 04.06, 05.07, 29, 30.09, 04.10, 02, 27.11 (2), 04.12), Fr Anicet 05.07), P. GUILMIN (01.10).
1890 : P. MONTEL (30.01, 30.04, 31.05), P. WALTER (01, 05, 31.07, 05, 30.08, 04.10, 02, 30.11, 04.12), M. CAMPIN (22.07).
Lettres de 1878 : M. CASIMIR (extraits de lettres 20.05, 10.09), Supérieure des Soeurs de Cluny (extraits 04, 29, 30.11).
1879 : P. GUILLOUX (05.04, 29.05, 18.06, 18.07, 10.09, 07.10, 04, 25.11, 23.12), P. BRUTILLAT S.J. (26.06), chrétiens d'Anjouan (14.08), Mgr Clément SOULE (évêque de Saint-Denis 10.10).
1880 : P. SCHWINDENHAMMER (08.01, 05.02, 04.03, 08, 30.04, 28.05, 25.06, 23.07, 20.08, 17.09, 15.10, 12.11, 10.12), P. GUILLOUX (23.01, 23.02, 23.03, 09, 15.06, 08.07, 05.08, 02, 28.09 + renseignements sur la mission de Mayotte, 22.11, 21.12).
1881 : P. GUILLOUX (20.02, 15.03, 15.04), P. SCHEUERMANN (19.10, 18.11), P. GOEPFERT (19.11), P. SCHWINDENHAMMER (07.01), P. COLLIN (04.02, 04.03, 14.10), P. LEVAVASSEUR (01.04, 19.08, 16.09).
1882 : P. GUILLOUX (16.01, 11.02, 12.03, 08.04, 14.06, 03.07), P. SCHEUERMANN (26.08, 16.09 copie, 25.09, 20.11, 28.12), Fr Mathurin (28.12), P. EMONET (03.02, 03, 31.03, 26.05, 21.07, 18.08, 15.09).
1883 : P. SCHEUERMANN (08.01, 21.02, 18.03, 15.04, 10, 12, 13.05, 09.07, 07.08, 02.09, 27.10, 20.11 rapport sur nos oeuvres à Mayotte, 27.12), P. MAUGER (17.03), P. HOUDE (12.05), Sr Rosine (22.11)