1936-1972 in Okahandja, Windhoek, 1947-1972 Praeses South West Africa; letters and reports, correspondence; circulars to d. Members of the RMG in South West Africa; letters from the internment camp Andalusia, 1940-1945

1925-1960 in Okahandja, Gobabis, Karibib; curriculum vitae (3 versions), testimonies, 1914-1915; letters from the internment camp Andalusia, 1940-1945; "Our faithful farm workers should be the refuge", dedication of the native church in Frieden-au, Windhoeker "Allgemeine Zeitung", no. 53, 1959