Letters addressed to Trittelvitz personally, especially from mission members from Africa, 1899-1911; "Kindergabe vom April 1901; Afrika-Reiseberichte von Trittelvitz from 1904-1905; Visitationsbericht, bound in Hohenfriedeberg, 1905; Brief von Friedrich von Bodelschwingh zum Verhältnis der EMDOA - Bethel, 1899; Memorandum Trittelvitz zum Zusammenschluss Bethel u. Barmen, 1903; Statement on the takeover of the mission in Japan, 1905; correspondence from Trittelvitz with the missionaries Ruccius, Gilsdorf, Ostwald, Gleiß, u.a. on questions of music, questions of marriage, Bible translation, 1901-1904; correspondence Trittelvitz - Michaelis, 1904-1905; contract of service Trittelvitz, 1909; correspondence with Held and others. Ronicke, 1908-1948; Information about the fate of missionaries in the field and in internment, 1940-1948; private correspondence with Gustav von Bodelschwingh, 1895-1946; "Father von Bodelschwingh and his work, 70 p. ms, ca. 1945; Obituary for Sister Mathilde Wegener, 1945; Correspondence from the last years of life, death announcement and condolences, 1950-1958; Correspondence Lina Trittelvitz, death announcement, condolences, 1958-1963
Bethel-MissionCurriculum vitae and health certificate for Elisabeth Reiß, married Rorarius, 1910; correspondence with Elisabeth Reiß, 1911; correspondence with Elisabeth and Paul Rorarius, 1909-1973; curriculum vitae and health certificate for Elisabeth Reiß, 1910; correspondence with Elisabeth Reiß, 1911; correspondence with Elisabeth and Paul Rorarius, 1909-1973. Copies of testimonies, 1910; medical testimonies, 1910 and 1911; hiking booklet for the members of Evangelischer Jünglingsver-eine as print, probably 1898; correspondence during the internment in Ahmednagar in India, 1914-1920; reports and articles in German Circular letters from Bumbuli, 1927-1938; "Mit meiner Baugruppe durch Usambara u. Digoland, 1929; "Wie die Mtaikirche zu einem neuen Dach kam, 1931; Ariernachweis für Winfried Rorarius (Sohn), 1935; Ärztliche Zeugnisse für Familie Rorarius, 1939 u. 1941; Little Lutheran Catechism in Swahili as print, 1939; "Handwerksbetriebe der Bethel-Mission in Ostafrika, 1969; Obituary for Paul Rorarius, 1973
Bethel-Mission