Estate:; diary entries from the years 1912-1914, 1918, 1919, 1926-1927 1 issue 1930; The Gospel of Mark in Oshikuanjama, chapters 1 and 2 (beginning) and eight short stories from the Mission, issue, ca. 1903; Mission and Colonization, 2 issues, 1905; Das Ovamboland, issue, o. J.; review of 20 years of mission work under d. Ovambo, c. 1910; sermons and reports about Ovamboland, c. 1910; Southwest Africa - country and people, c. 1910; pictures from the mission work in Ovamboland, c. 1910; about faith and superstition of Ovambo and others.., o. J.;

Reports about the work in d. Herero- u. Nama-Gemeinde, by Friedrich Pönnighaus, Christian Ludwig Kühhirt u. Martin Jonas Werner, 1929-1945; reports on sister and school work, by Helene Köhler, Frieda Schröder u. Else Menninger, 1929-1945; report on the 25th anniversary of the Herero Ovambo Community, by Christian Ludwig Kühhirt, 1933

• Owambo sheet and overview of the entire protectorate* Author/photographer: Paul Sprigade; Max Moisel