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;