"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

Correspondence with the Missionary Brothers and Sisters and the Home Administration, 1914-1915; Correspondence with various local persons and imperial authorities because of the war events, 1914; War Reports by D. Delius, 30.10.1914-20.12.1914; Order for the field service in Moshi, Christmas 1914; collection of special sheets of the "Usambara Post on Austria's declaration of war in Serbia and the war situation in Germany and East Africa, August 1914; Official announcement of the district official Köstlin in Wilhelmstal, 1914; "The Battle of Tanga, report by S. Delius, November 1914