Missionary doctor, 1913-1914 Rehoboth; Correspondence on financial matters, 1913-1914; Missionary Adolf Blecher on Dr. Otto Gleiss, 1914;

1865-1907 in de Tuin, Rehoboth; letters and reports also by Mrs. Ida Heidmann, née Eick, from de Tuin and Rehoboth, 1865-1904; station, annual and cash reports from Rehoboth, 1870-1904; copies of letters of captains Hermannus van Wyk, Kamaharero and Hendrik Witbooi, 1880-1893; copy e. friendship contract between d. German Reich and the Bastards of Rehoboth, 1885; copies of debt contracts between German trading companies and Rehobothers, assignment of farmland, 1899; obituary e. community e. community elders of Rehoboth for Johann Christian Friedrich Heidmann, 1913; correspondence with Heidmann's e. nephew in Hanover, 1962

Diary & Letters d. teacher Jonas Rynhards, Rehoboth, who was trained in Barmen, 1850-1852; Letters &. Reports by Daniel Cloete, Traugott Kauapirura, Elias Kandirikirira, Paul Mbenovandu, Manasse Kaukutua, Theobald, Gottlieb oa Jonas, Gabriel Hendrik Huaaraka, Jonas Lukas, Josaphat Kamatoto, Petrus Hendrik, Gottlieb Davids, Willy Zeraua and others local Christians, evangelists, preachers and teachers, 1889-1911

in Wupperthal, Otjimbingwe, Windhoek, Rehoboth, Gibeon, Okahandja; personal papers, 1938-1967; correspondence, especially with the nurses' home, Inspectors Gustav Menzel and Siegfried Groth, and circulars

Transfer of records of missionary Friedrich Johann Christian Heidmann 1866-1902 and 1 letter from missionary Franz Heinrich Kleinschmidt, 1851, 453 p., ms., hardback;