1906-1931 in Omaruru, Okahandja, Gobabis, Heimatdienst 1931-1947; Letters and Reports, 1906-1954; Curriculum Vitae (2 versions), medical certificate, 1897-1906; Report on the spiritual service of the white population in the district Gobabis 1916-1919, 5 p..., ms, 1919; Zur Geschichte d. Mission in Gobabis, 1932; Rentenangelegenheiten, 1946-1954; Letters to Adolf Schick, formerly Omburo then Geislingen, 1950-1954; Letters to Carl Bergers, 1953-1954; Obituary for Jakob Friedrich Johann Irle, 1954;

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;