Contains among other things: Report on the work of the Kolonialwirtschaftliche Komitees 1896-1906 and 1896-1914; festive order for the 25th anniversary of the Deutsche Kolonialgesellschaft; copy of the Deutsche Kolonialzeitung, Berlin 1907, 1908; directory of the library of the Warmbad station in D e u t s c h - S ü d w e s t a f r i k a; member directory of the Deutsche Kolonialgesellschaft, Frankfurt Department, May 1911, 1913, and activity reports 1911/12, 1912/13, 1915; Statutes of the D e u t s c h e K o l o n i a l g e s e l l s c h a f t , Frankfurt Department, 1914; Call for Duke Johann Albrecht Donation for the Colonies, [1917]; War Announcements of the Colonial Economic Committee, 1916, 1918; Brochures "Farbige Hilfsvölker" and "Deutschlands koloniale Not", Colonial Economic Committee, Berlin 1917

1895-1900 in Rietfontein, Warmbad, Pfarramt USA et al. in St. John's Luth Church, Campbell Hill, Ill.; letters and reports, 1895-1900; curriculum vitae, ca. 1890; private letters to inspectors of the RMG, 1895-1900; What can we learn from the Good Samaritan for our mission, paper, 1899; letter about his departure from Mission, 1900; letters from Campbell Hill, Illinois/USA, 1921-1922;

1899-1904 in Keetmanshoop, Warmbad; correspondence and reports; curriculum vitae; letter of the eldest Witbooi in Nabis; request of the church of Warmbad for a new missionary;

1900-1936 in Walvis Bay, Steinkopf, Concordia, Lüderitzbucht, Warmbad; letters and reports, 1900-1936; cover letter, 1893; curriculum vitae of Mrs. Maria Nyhof, née Stotijn (copy), 1903; letter of Carl Ludwig Hermann Hegner to Hermann Nyhof about conditions in Warmbad, 1904; overview of d. Distribution of the Bondels on the various squares in the Warmbad district and sketch of the Bondels Reservate, 1908; Count von Hageneck, request for repair of the tower roof chair of the church in Warmbad, 1908; obituaries for Hermann Nyhof, 1936; correspondence with Maria Nyhof, née Stotijn, 1937-1962;

Chronicle of the Missionary Station Warmbad, Namaland, Southwest Africa, Missionary Hermann Nyhof, 26 pp., ms., 1929; Documents on the Ownership, 1896-1921;