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;

1901-1921 in Keetmanshoop, Khois, Rietfontein, Lüderitz Bay, Hoachanas, 1923-1937 parish office and farmer in Brazil; letters and reports, 1901-1926; curriculum vitae (2 versions) u. Bewerbungen, 1894 1895; ärztliches Zeugnis, 1901; "Lüderitzbuchter Zeitung", No. 14, May 1909; Memorandum on the events at the Hochanas station, 1922; correspondence with the Laaf family, 1937-1938; Sketch of Shark Island;