Only a travel report from Bielefeld to Hohenfriedeberg
Evangelical Missionary Society for German East AfricaTravel report about a visit to the Mission Trading Society in Africa (Dr.);
Rhenish Missionary SocietyHaushaltsrechnungen, Profitabilitäts- u. Vermögensberechnungen ; Travelogues of the Missionskaufmann R. Hermann about copra marketing, 1930
Rhenish Missionary SocietyCorrespondence, travelogues, working reports, Bukoba station reports, 1928-1931; "The Union Question in East Africa, 7 p., ms. by Heinrich Scholten, 1931; Memorandum of Bethel Mission Bukoba for the British Governor, 1931; New Beginnings in Bukobalande, 3 p., ms., 1931
Evangelical Missionary Society for German East AfricaTravelogues from South and Southwest Africa;
Rhenish Missionary SocietyTravelogues, diary entries, including "Pictures from Rwanda, Circulars and Statistics, 1914 - by Röseler, Wiemers and Johanssen
Evangelical Missionary Society for German East AfricaTheo Fricke, American Mission Commissioner
Rhenish Missionary SocietyInvestigation report by E. Johanssen, transcript of a diary from Dar-es-Salaam, 5 p. in manuscript
Evangelical Missionary Society for German East Africa1890-1930 in Ondjiva, Omupanda, Karibib, Swakopmund, Präses d. Ovambomission, estate see RMG 1.627; extensive correspondence, annual, station and travel reports, 1890-1936; travel report by Thusnelda Wulfhorst, née. Härlin, 1892; Private letters from August and Thusnelda Wulfhorst, née Härlin to Inspector Johannes Wilhelm Karl Spiecker, 1890-1900; "Osondahe", Monatsblatt d. Finnish Mission, May 1909; Correspondence with the German Consulate and Portuguese authorities concerning property claims in Omupanda, 1920-1927; Obituary for August Wulfhorst by Johannes Georg Heinrich Olpp, 1936; Correspondence with his 2nd wife, Johanna Wulfhorst, née Härlin, 1937-1956
Rhenish Missionary Society