Six letters from Dar-es-Salaam, 1895-1896; "A "Eben-Ezer of the Lutindi lunatic asylum in western Usambara, history of Lutindi for the 25th anniversary recorded by Wilhelm Bokermann, 34 p., ms., 1929; letters of thanks Ronicke to donors of the Nazareth Missionary League; death announcement for Friedhelm Bokermann, died 1944; correspondence with Wilhelm Bokermann, 1929-1946

1 curriculum vitae; 2 letters from Dar-es-Salaam