Walvis Bay s. a. RMG 2.531 a b; View of the station (pencil drawing) and site plan, 1904 (?); annual and conference reports, by Karl Alex. Hamann, Heinrich Vedder, Wilhelm Eich, August Wulfhorst, Heinrich Johann Brockmann and Friedrich Wilhelm (Fritz) Mayer, 1905-1939; Visitation Reports, 1906 1909; Disputes Heinrich Vedder with Commander Selkmann and K. Ritter, Wörmann Line, about captured Hereros, 1906; Ferdinand Lang, Annual Report on Tsumeb, 1909; August Wulfhorst and Fritz, 1909 Martin Jonas Werner, Annual Reports on Otjimbingwe, Karibib and Okahandja, 1921; Heinrich Johann Brockmann, private letters to Director Johannes Warneck, Superintendent Hinrich Johannsen, Director Hermann Berner, 1932-1939; Reports on Nursing Work, 1939