Various excerpts from Carl Hugo Hahn's diaries and letters, thematically summarized typoscripts, probably by Dr. Heinrich Vedder in the 1920s:; Chronological Notes, 1841-1867; Kleine Notizen u. Briefaauszüge, 1844-1855; Carl Hugo Hahn u. d. Wesleyaner, 1844-1855; Missions-Kolonisation, 1863; Buren Immigration u. Augustineum, 1869; Die Friedenskonferenz zu Schmelens-Expartung (Okahandja), 1870; Wie Jonker Afrikaner mit d. Damaras geme gekommen, 1873; Heimreise, 1873; Correspondence with descendants of Carl Hugo Hahn, 1904-1943; copy of the doctoral diploma of the University of Leipzig for Carl Hugo Hahn (1874), 1954;

1841-1873 in Kommagas, Windhoek, Otjikango, Otjimbingue, preacher at Cap 1874-1884, pastor in Paarl from 1887, see also RMG 2.598; curriculum vitae, 1841; letters, diaries and travelogues, also by Emma Hahn, née Hone, 1841-1866

Contains among other things: Report on the first financial year 1914/1915

1897-1905 in Okahandja, Otjikango, Otjihaenena, Walvis Bay, 1906-1926 Parish office in Brazil including Paraiso, Rio Grande do Sul; letters and reports, 1897-1905; private letters to inspectors, also by Mrs Johanna Hamann, nee. Jansen, 1898-1899; Letter of the community elders of Otjikango with the request to leave Karl Alexander Hamann there (in Herero language), June 1902; Question A. von Falkenhausen because of the fate of his son, Febr. 1904; Reply to the article published in the Schlesische Zeitung: "Ein Bild aus Deutschsüdwestafrika" taken from e. Brief d. Frau von Falkenhausen, June 1904; Report by Ms Johanna Hamann about her experiences during the Herero uprising for d. "Kleinen Missionsfreund", 1905; Testimony for Karl Alexander Hamann, 1906; Letter from Karl Alexander Hamann from Brazil, 1924; Obituary for Karl Alexander Hamann, 1955;