1903-1951 in Otjosazu, Franzfontein, Outjo, Okombahe, Usakos, Swakopmund; letters and reports, 1902-1950; curriculum vitae, application, medical certificate, 1895-1902; sketch of a mission property to be acquired in Outjo, 1905; death announcement for Mrs. Helene Brockmann, née. Upmeyer, 1935; draft e. Präsesinstruktion with notes by Heinrich Vedder, 1938; Kassenbericht d. Generalkasse Südwestafrika, 1947; obituary for Heinrich Johann Brockmann 1951; obituary for Dora Brockmann, née Hollerbaum, 1954;

Farm s. RMG 2,568, Okombahe s. a. RMG 2,513 a-c, RMG 3,302 and RMG 2,530 a; annual and conference reports on Usakos mission station, by Wilhelm Emil Jakob Diehl, Heinrich Johann Brockmann and Ernst Wilhelm Römer, 1907-1937; church elders ask RMG for help with construction e. Church, 1908; Visitation Report, 1913; Report on the German Evangelical Community of Lüderitz, by C. Wandres, 1927; Reports on the German Evangelical Community of Usakos, by Heinrich Johann Brockmann and Ernst Wilhelm Römer, 1927-1937; Annual Report on Sister Work in Tsumeb, 1932