Correspondence and reports, 1910-1914; Advice for outgoing siblings, c. 1910; Minutes of the annual conference of Usambara in Mlalo as copy, 1912; Minutes of the meeting of community elders of Usambara in Tanga, February 1914; Statistics, 1914

Correspondence on school issues, health care, reconstruction of Lwandai, printing works in Wuga etc., 1925-1927; monthly accounts, 1926; budget estimates, 1927-1928; conference protocol Mlalo, January 1927; oldest meeting of January 1927; status report on mission work(s) in Usambara by E. Johanssen, 1925; reports on the Bethel mission in "Dresdner Anzeiger, October 1927

Report on the situation of missionary work in Usambara and on the coast of E. Johanssen, 1925; statement on the above-mentioned report by Franz Gleiss, 1925; correspondence and house communications, especially in financial matters, 1925-1941; private correspondence with Karl Beck, 1943-1961; death notices by Karl Beck, 1965 and by Amalie Beck, 1971

Circular letter from shepherd Paulo Danga, 1931; "Changes in Land Proposals, newspaper article from The East African Standard from September 1934; basic information on missionary work in Usambara, reflections on the proposals of Dr. Müller, 1934; correspondence, reports, stories, 1931-1934

Chronicle of Bungu-Lutindi, 1920; Dr. Arthur's visit to Wuga, 1920; On the ordination of our 7 clergy in Wuga, 1920; How will missionary work in Usambara and Tanga-Digo, 8 p., 1921; Report on the life and death of Laura Gleiss, née Kniess, 1921; Lukas Sefu, 1923; Letters by Jakobo Ngombe and Hermann Kanafunzi, 1922, 1923

Work and travel reports of the staff; report on the third Lutheran mission conference in Tanganyika-Territory, October

Work reports of the employees; report on the life and death of Hermann Kanafunzi von P. Gleiss

Reports, newsletters and stories of the employees

Reports, newsletters and narratives of the employees

Reports, newsletters and narratives of the co-workers

Reports, newsletters and stories from employees