Statistics listing the tribes under treatment, 1928-1931 and 1939; General Correspondence, 1961-1969; Monthly and Annual Reports, some minutes of Executive Committee meetings, 1961-1970; "Bringing Better Health to Bumbuli by Robin Peters - newspaper clipping from "The Standard, March 1965; Various Building and Construction Reports". Extension projects; Hospital-Kapelle, 1964-1965; Medical-Technical Equipment, 1961-1965; Repair of old buildings, Digo project with building plans on a scale of 1 : 100, 1964-1970; Extension of the hospital, 1965-1968; New construction of Dispensary Mtimbwani with building plan, 1964-1968; NED project: Diesel engine and water supply, 1969-1970

"Inexhaustible wealth, Africans report on their journey to Jesus, 30 p., 1939; obituary of Martin Personn (son), 1939; The districts of Wuga and Bumbuli in the war (towards the end of 1939); deed of ownership of the burial place of Martin Personn in Bethel, 1942; map of Usambara and Buhaya, n.d. ; A walk through the parishes of Usambara and Tanga-Digo today, 8 p. ms.., 1958; death announcement by Hermann Personn, 1960; correspondence with Marie Personn (wife), 1961-1965