Plans for e. Industrial School in Bethanien by Tobias Fenchel, 1906; School regulations for mission schools in the area of the Herero Conference; a) by Johannes Olpp, pag. 263, 1908; b) Manuscript by Karl Friedrich Wandres, Heinrich Vedder, Kurt Nowack, 1910; c) Dr., 54 p.., 1910; Proposals for boy handicraft lessons in mission schools, by August Elger, 1910; Establishment and operation of a secondary school in Windhoek, by Kurt Nowack, 1911; Das Windhoeker Missionsschulwesen, Abtlg. Volksschulen, by Kurt Nowack, 1912; Verhandlungen wegen staatlicher Unterstützung d. Missionsschulen, 1913-1914; Schulgesetz betr. d. Schulen für Nicht-Europäer, 1921; "Das Schulwesen d. Südafrikanischen Union u. d. Missionsschulen in Südwestafrika", by Heinrich Vedder, 24 p.., ms. 1921; Schulgesetz für Südwestafrika (Dr. in Amtsblatt No. 207), 1926; 120 weekly sentences for use in schools (in Herero), by Heinrich Vedder?, issue, 30 p., ms., not published

Correspondence; Guidelines for the working group between the Masurian Diaconess Motherhouse Bethanien in Lötzen and the Bethel Mission, January 1937; private letters and family photos of the Th. Kuessner family, 1943

1892-1907 in Bethanien, resignation, pastor in Brazil from 1908 in Riopardinho, Forromecco, P. Sao Vendelino, Rio Grande do Sul; letters, travel, station and annual reports, 1891-1906; report on school and church visitation in Bethany by Carl Ludwig Hermann Hegner, 1893; letter by Cornelius Frederiks, 1895; Die spezielle Seelsorge, Referat, 28 pp. hs, 1896; Report on the laying of the foundation stone of the church in Bethanien, Dutch, 1897; sketch of Bethanien (vol. 1, p. 133); Report on the birthday celebration for Emperor Wilhelm II. in Bethanien, 1898; Letters d. Assistant Benade von Grootfontein, 1898 and 1900; report on the consecration of the church in Bethanien, 1899; application for acquisition of garden land for agricultural school in Bethanien, 1906; proposals by Emil Tempel for the establishment of e. Handwerkerschule, 1907; medical certificates for Friedrich Heinrichs and his wife Elisabeth Heinrichs, nee. Göbel, 1907 and 1909; visit lists of the travel preacher Friedrich Heinrichs in Wiehl, 1908 and 1909; personal sheet Friedrich Heinrichs, 1908; letters from Rio Pardinko, Brazil, 1911-1913; obituary for Elisabeth Heinrichs, née Göbel, 1940; obituary for Friedrich Heinrichs, 1949;