1.- Lettres de 1903 :
P. LEJEUNE (08, 21.01, 15, 25.02, 19, 20.03, 02, 11, 16.04, 01, 14, 26.05, 20.06 (2), 05, 19.07 (2), 13, 28.09, 26.10 rapport "Institut de Old Calabar", 20.10, 12, 20.11, 08, 23.12). Lettre de M. Bernard EYO (16.04), lettre collective (26.04) contre le P. Lejeune.
2.- 1904 :
P. LEJEUNE (06.01 (2), 20.01, 02.02, 12, 17, 26.03, 13.04, 12, 26.05, 10.06, 20.07, 10-11-13, 26.08, 08, 23.09, 06, 20.10 (2), 11, 23.11, 08, 13.12), P. Mc DERMOTT (fév.), P. HERRY (09.02), P. LENA (08.04, 30.06, 08.09, 29.12).

3. Lettres adressées au P. LEJEUNE :
   P. HERRY (15.12.1903, 01.05.1904), P. Joseph LICHTENBERGER (15, 20, 27, 30.03.1904), P. SHANAHAN (29.08, 12.09, 11, 24.10.1904).

• Lettres de 1944 :
  P. KIRSTEN (24.09).
• 1945 :
  Fr BALDOMIR (Hermanns, sans date, 10.05), P. KIRSTEN (16.06, 30.12), P. KONRATH (25.08).
• 1946 :
  P. IHOONEN (24.05).
• 1947 :
  P. MURRAY (11.01, 07.03, 14.04, 20.08, 18.09, 08, 18.12), P. KIRSTEN (28.01, 13.03, 15.05, 23, 24.06, 16.12), P. KONRATH (07.02).
• 1948 :
  P. MURRAY (05.01, 03.03, 05.05, 27.06, 20.09, 23.11, 15.12), P. KIRSTEN (09, 25.01, 02.02), P. BRAULT (télégr. 05.04), Mgr HAGAN (09.04, 14.05, 17.06, télégr. 11.08, 31.08, 19.10, 22.11, 09, 23.12).
• 1949 :
  P. BISMARCK (12.01), P. MURRAY (20.01, 29.03, 18.07 (2), 19.08, 30.09, 14.12), Mgr HAGAN (30.01, 25.02, 26.04, 31.05, 21.07, 30.09, 15.12), P. GREEN (sans date, copie).