Correspondence on school issues, health care, reconstruction of Lwandai, printing works in Wuga etc., 1925-1927; monthly accounts, 1926; budget estimates, 1927-1928; conference protocol Mlalo, January 1927; oldest meeting of January 1927; status report on mission work(s) in Usambara by E. Johanssen, 1925; reports on the Bethel mission in "Dresdner Anzeiger, October 1927

Statistical material on church, school and medical work in Bukoba, 1926-1938; statistical material on church, school and medical work in Digoland and Usambara, 1932-1939; statistical material on the work of the Bethel Mission, 1949-1970

Manuscript of a story about the conversion and baptism of a young man in Usambara, East Africa, based on the sources of Johanssen, Meinhardt and Wohlrab in the News of the Bethel Mission, by Pastor em. Friedrich Kuhlgatz in Friedrichshütte, 53 pp.

Curriculum vitae and health certificate for Elisabeth Reiß, married Rorarius, 1910; correspondence with Elisabeth Reiß, 1911; correspondence with Elisabeth and Paul Rorarius, 1909-1973; curriculum vitae and health certificate for Elisabeth Reiß, 1910; correspondence with Elisabeth Reiß, 1911; correspondence with Elisabeth and Paul Rorarius, 1909-1973. Copies of testimonies, 1910; medical testimonies, 1910 and 1911; hiking booklet for the members of Evangelischer Jünglingsver-eine as print, probably 1898; correspondence during the internment in Ahmednagar in India, 1914-1920; reports and articles in German Circular letters from Bumbuli, 1927-1938; "Mit meiner Baugruppe durch Usambara u. Digoland, 1929; "Wie die Mtaikirche zu einem neuen Dach kam, 1931; Ariernachweis für Winfried Rorarius (Sohn), 1935; Ärztliche Zeugnisse für Familie Rorarius, 1939 u. 1941; Little Lutheran Catechism in Swahili as print, 1939; "Handwerksbetriebe der Bethel-Mission in Ostafrika, 1969; Obituary for Paul Rorarius, 1973

"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

Curriculum vitae, health certificates, vows of secondment, 1936; farewell sermon by Erich Leistner in Leipzig, 1936; letters from teacher Hirsch in Mlalo, 1936; work reports, letters of friendship, correspondence, 1936-1939; contract between the Bethel-Mission u. of the Protestant Church in Tanga, 1936; "Volksmission im Lande des Night-Porter, by Erich Leistner, 1938; "Soldaten enliven eine Gemeinde von Erich Leistner, 1938; Agreement between the Bethel-Mission u. Kontraktor Kirschinger, 1938; Conference of Shepherds and Elders of Shambalei and Digolandes, 1938; Overview of school work in Usambara-Bergland, 1938; correspondence because of Leistner's leave of absence with the LKA Dresden, old-age pensions, etc. Kindergeld, 1936-1946; Correspondence with the Leistner family during internment, 1940-1947; Correspondence concerning entry into the Berlin Mission Society, 1947; Correspondence with the Leistner couple during their work in Cape Town: Protokolle, Berichte, Aufsätze, 1947-1975; Geburtsurkunden von Ehepaar Leistner, 1950; "Zu den Füßen des Tafelbergs von Erich Leistner, 1950; "Aus dem Leben der braunen Gemeinden in u. around Cape Town by Erich Leistner, 1953; conference report of the Protestant Academy at the Cape, 1955; curriculum vitae and speech at the funeral of Erich Leistner, 1975

Curriculum Vitae and copies of testimonies, 1930; Instructions and vows, 1930; Correspondence, 1930-1972; "Vom Schulwesen der Bethel-Mission in Usambara, 1931; "Erlebtes u. Beobachtetes (as a teacher in Lwandai), 1931; Circulars to the parents and friends, 1931. Friends of the school, 1931-1937; "The inauguration of the Friedrich von Bodelschwingh School in Mlalo-Lwandai, 1931; invitation to the inauguration of the new elementary school in Mlalo-Lwandai, 1932; applications for school support to English and German schools. German government offices, 1935; Invitation to the German School Festival in Lushoto, 1935; Disputes between Buchholz and Rorarius, 1935-1936; From the life of the Friedrich von Bodelschwingh School in Lwandai, 1936; Laudatio for Erhard Buchholz on his 80th birthday (a newspaper clipping), 1971

Correspondence of Rorarius, Accounts, etc., 1937-1938; A Few Pen-pictures from the Work of the Bethel-Missionary Society; Mother's Love in the Heart of Africa, 4 p., print, 1938; "The Usambara Association (the Settler) - A Memorandum on the Objectives and Objects of this Association, June 1938

Correspondence from Rorarius, accounts, etc.; "Christmas Greetings from Bethel, 4 p., printed, December 1935; flyer "We have promised our help from Friedrich von Bodelschwingh with an essay "Das rufende Land (Usambara) von Rorarius, September 1935

Correspondence from Rorarius, 1929-1934; Correspondence concerning the return of mission property, 1930; Draft of a Land Order of the Bethel Mission, 1931; So-called "Landsache, July 1934; Draft of an Order for the Usambara Church Treasury, 1934