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

Curriculum vitae, 1929; instructions and vows of secondment, 1930; correspondence and reports (also during internment), 1928-1970; travelogue, 1930; monthly reports, 1932-1940; map of Kijunja, drawn by Martha Söhlke, 1932; language exams and reports. Martha Söhlke assessed by W. Hosbach, 1932; reports from various African hospitals, including Stellenbosch in South-West Africa, 1948-1949; reports from work at Missionshospital Witzieshoek in South Africa, 1949-1967; medical findings, 1957

Curriculum vitae, 1935; instructions and vows of secondment, 1936; correspondence and circular letters from friends (also during internment), 1935-1947; contract with the Bibelhaus Malche because of the takeover of Irmgard Stauch as a sister, 1942; correspondence and circulars from Cape Town (South Africa), 1947-1969

Curriculum vitae and copies of certificates, 1932; instructions and vows of secondment, 1935; correspondence and reports (also during internment and during work at Transvaal in South Africa), 1933-1962

Curriculum vitae, 1934; instructions and vows of secondment, 1935; biographical data in tabular form, 1953; correspondence and reports (also during internment and while working in Witzieshoek in South Africa), 1934-1977