Curriculum vitae, instructions and vows, 1932; correspondence and reports, 1932-1977; "In den engemu (Bananenstauden), 1934; "Die Nachmittage im Dorf, 1935; "Six days of work, 1935; "Karagwe in Not, 1936; "Von Kindern u. 1938; medical findings, 1944 and 1962; circulars to Afrikabund sisters, 1947-1968; membership card of the Sarepta-Afrikabund sisters, 1949; "Bishop's Introduction and Conference in Bukoba, 1961; "Off to Rubisho, 1961

Statistical material on church, school and medical work in Bukoba, 1926-1938; statistical material on church, school and medical work in Digoland and Usambara, 1932-1939; statistical material on the work of the Bethel Mission, 1949-1970

Curriculum Vitae and Testimonies, 1929; Instructions and Vows of Deputation, 1930; Correspondence (also during internment), 1929-1947; Photo by Werner Wittenberg, 1930; Certificate of Good Conduct and Medical Certificate by Werner Wittenberg, 1932; "Jubilee of the Bukoba Church on 28.07.1935; "Etwas vom Gelde im Haya-Lande, 1936; "From the work of the mission office in Bukoba, 1937; Correspondence during the stay in Queenstown in South Africa, 1947-1956; Correspondence with Hanni Wittenberg about supply matters, 1956-1965