Tropenzeugnis, 1935; Dienstanweisung u. Abordnungsgewöde, 1936; Korrespondenz u. Berichte, 1935-1965; "Hekalungu - Report on a station for lepers (= people suffering from leprosy), 1938; contract between the Bethel Mission and the Bible house Malche because of Erna Weyland, 1942

Correspondence on administrative and organisational issues; correspondence on patients and staff; Dr. Olpp: Lepra, 20 p., S.-Dr., 1930; Dr. Johannsen: On the 25th anniversary of the DIFÄM, 5 p., ms. 1934; W. Over: The 25th anniversary of the DIFÄM, 9 p., ms., 1934; Annual Reports, Dr., 1933-1937; Richtlinien f. d. zukünftigen Aufgaben d. d. d. Verein f. ärztl. Mission, Dr., 1934