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