Missionary assistant with missionary Franz Heinrich Kleinschmidt to Damraland, 1842-1856 in Windhoek, Otjikango, Scheppmansdorf, Walvis Bay, see also RMG 2.598; Curriculum Vitae, 1851; Letters and diary reports, Dutch, 1848-1855;
Rhenish Missionary SocietyCollective correspondence; letters, travelogues, diaries of J. H. Schmelen, Franz Heinrich Kleinschmidt, Joh. Friedrich Budler, Carl Hugo Hahn, Johann Heinrich Lutz, Hans Christian Knudsen and Ferdinand Brecher; curriculum vitae of Joh. Hendrik (Jan) Bam;
Rhenish Missionary SocietyLetters and diaries, 1854-1864; 2 letters from Heinrich Kleinschmidt (son), businessman, 1886-1887; correspondence and documents for family research of the Kleinschmidt families (proof of Aryans), 1933-1943; accompanying letter from Elger Kleinschmidt, 1978
Rhenish Missionary Society1840-1842 in Kapland, 1843-1864 in Kommagas, Windhoek, Rehoboth, Otjimbingue, s.a. RMG 2.598 for the years 1839-1843; letters (also by Johanna/Hanna Kleinschmidt, née Schmelen) and diaries
Rhenish Missionary SocietyOldest travel reports of the RMG about Southwest Africa (transcript from the Monatsblatt d. Norddeutscher Missionsgesellschaft, 2. Jg., p. 146-155), 8 p., ms., double available, 1841; extracts from letters of Friedr. Simon Eggert, Scheppmansdorf, ms.., 1859-1868; Request of Jonas and Jacobus Boois to Franz Heinrich Kleinschmidt for e. Missionary (2 original letters, afrikaans), 1861; Peter Heinrich Brincker: I. Die Ovaherero, II. Die Missionsarbeit unter d. Herero, 90 p., hs, 1876; Defense of the defamation of Dr. Theophil Hahn against the Damra missionaries, deputation of the RMG, Dr., 1884; Hendrik Witbooi's request to Inspector Dr. August Schreiber for e. Missionary (Original, afrikaans), 1895; Hendrik Witbooi's request to Francois for ammunition and rifles, (copy), 1893; P. Kunze, Sülldorf, about Hendrik Witbooi, 1906; Die Geschichte d. "Kowese volk" written down by e. members of the people themselves in Afrikaans, 8 p., hs. u. Kopie, N. N., no year; suggestions for missionary work in South West Africa, by Heinrich Vedder, 19 p., ms., c. 1910; excerpt from "Beitrag zur Geschichte d. Kowesi-Stammes, 1897", Johannes Olpp, 7 p., 1906; overview of the work of the RMG in "Deutsch-Südwestafrika", 1903; "Die Religion d. Herero", August Carl Heinrich Kuhlmann, with remarks by Jakob Friedrich Johann Irle, 20 p., ms, 1912; The situation of the indigenous people of South Africa in social and political relations, (S.-Abdr. from "Mitteilungen aus d. deutschen Schutzgebieten", 34th vol., H. 1), Prof. Dr. G. Knothe, 1926
Rhenish Missionary Society1895-1937 in Otjimbingue, Karibib, Praeses and Inspector from 1910; Letters and reports (Presidential files separate), 1895-1910; application for missionary service, curriculum vitae, expert opinion Johannes Georg Heinrich Olpp, 1894; private letters to Inspectors d. RMG, 1895-1899; Instruction for Johannes Georg Heinrich Olpp, 1895; Report on Franz Heinrich Kleinschmidts Death in Otjimbingue, 1896; Overview of the Mountain Damra Church in Otjimbingue, 1896; What drives for faithful work in the mission can the biblical teaching of Christ's Second Coming grant us? Lecture, 12 p., hs., 1898; Lieutenant Kuhn to inspector because of missionary for Karibib, 1901; property case Redecker with sketch, 1904; holiday application Johannes Georg Heinrich Olpp, 1907; plan about Biblical history education to be mastered in the schools, Otjimbingue, 1908; private correspondence from and. with Johannes Georg Heinrich Olpp (partly from the estate), 1928-1948; correspondence with Maria Olpp, née Johannsen (also curriculum vitae and death certificate), 1948-1961; Olpp translated the book "Eine Reise durch Afrika", by J. Du Plessis, 1916, from the Netherlands into German, under the signature 1-02812 in the holdings of the Archive Library ;
Rhenish Missionary Society