Station Gaub s. RMG 2,529 a, assistant seminar Gaub s. RMG 2,647, precipitation Gaub s. RMG 2,545 b, sales negotiations s. RMG 2,574; annual report, by Friedrich Kremer, 1902; map sketch d. Farm Gaub by Wilhelm Friedrich Detering, M. 1: 2000, 1903; farm reports, by Wilhelm Friedrich Detering, 1902-1937; visitation report, by Johannes Wilhelm Karl Spiecker, 1906; Inventarium d. Farm, recorded, 1909; various reports, by Heinrich Johann Brockmann, Heinrich Stritter, Präses Johannes Georg Heinrich Heinrich Olpp u. Heinrich Vedder, 1905-1912; Reports, by Hermann Eickmeyer and Ludwig Christian Cosmus on Gaub and Korab, 1918-1921; reports on the Ganachaam farm, by Gerhard Wilhelm Martin Kleinschmidt and Hermann Eickmeyer, 1920-1937; description of the Anawood, Korab, Gaub, Ganachaams and Omburo mission farms, not mentioned
Rhenish Missionary SocietySite plan d. Farm Gaub, 1898; 2 letters from Missionary Friedrich Kremer about the death of his children, 1898; documents to the Ownership, 1898-1910;
Rhenish Missionary Society1892-1904 in Zumamas, Gaub, Grootfontein, Otjimbuna, Franzfontein; letters, travel, station and annual reports, 1891-1904; private letters to inspectors of the RMG, 1891-1899; map sketch with location of residential places in the Otavi area, 1894; letter of the. Teacher Hendrik Djuella, 1901; Letters from Emmy Kremer, née Weyel with reports of her husband's death, 1904; Address by G. D. J. Scholls and Johs. G. de Wet at the funeral of Friedrich Kremer in Grootfontein, 1904; obituary for Emmy Kremer, née Weyel, 1935;
Rhenish Missionary Society