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

1939-1973 in Usakos, Lüderitz Bay, Bethanien, Omaruru; personal documents, also by Anny Kuhlmann, née Abke; letters and reports, among others from the internment camp Andalusia, 1940-1945

4 ½ years head of the Johanniter Hospital in Keetmanshoop (for whites), 1920 marriage to Richard Müller jun., Cape Town; curriculum vitae, medical report, 1914; correspondence, including letters from the internment camp in Pretoria-Transvaal, 1911-1920;

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