Letters and reports from Dar-es-Salaam and Kisserawe von Cleve u. Holst, 1894-1898; Letters and reports from Lwandai von Langheinrich, Wohlrab, Warth u. Rorarius, 1904-1913; "Entwurf zur Anbahnung einer festen Ordnung für unsere Elementarschulen von P. Wohlrab, 1906

Monatsberichte von Roehl u. Mensching; "Zu Rebllen u. Poisonmischern von K. Roehl, 23 p., Maschinen-schrift; Protokoll der Stationskonferenz vom Januar 1913; Statistik(en), 1914

Reports and Letters, 1907-1914; Map sketch of the Annunciation Journey through Digoland by Franz Gleiss, February 1911

Letters and reports (originals) by Langheinrich, Winkelmann, Johanssen and Wohlrab

Letters and reports (originals and copies) by Langheinrich, Döring, Holst, Johanssen and Wohlrab; design of an altarpiece for Hohenfriedeberg on a scale of 1 : 10, about 1900; map sketches of the Hohenfriedeberg mission district, 1909

Letters and reports by Boye, G. von Bodelschwingh, Holst u. N. Rösler; inventory of the House of Johanssen, 1908; programme and minutes of the annual conference in Mlalo, 1912; programme of the annual conference in Bungu, 1911

Letters and diary excerpts from Gleiss, Johanssen and Wohlrab, hectographed, partly several times available

Chronicle of Hohenfriedeberg, led by Boye and Holst, 1898-1911; Diary of Hohenfriedeberg, led by N. Rösler, 1913-1920

Letters and reports by E. Johanssen and H. Röseler

Monthly reports by W. Nünneke and H. Röseler from August 1906 - November 1909 (see also M 581); "Glockenfest in Mshihwi" 1906 (see also M 581)

Diary Neu-Bethel as bound booklet with handwritten entries of various station heads

Letters and reports (originals and copies) by Wohlrab, Becker, Langheinrich, Gleiss, Döring, Roehl and Ruccius among others

Letters and diary reports by P. Becker (originals and copies)

Diary records of P. Becker and P. Döring (copies)

Letters and reports from Boye, Nathanael and Ottilie Rösler

Diary records of P. Becker and P. Döring (copies) (often contain copies handed down in parallel!)

Letters and reports from Wohlrab, Becker, Langheinrich, Gleiss, Döring, Roehl, Boye, Rösler and Ruccius among others

Letters and reports by E. Johanssen, 1912-1914; "We would like to see Msinga by H. Röseler, 1913

Martin Ostwald, August 1896 to December 1896; S. Delius, April 1905 to May 1910; F. Gleiss, December 1910 to August 1911; S. Delius, October 1911 to December 1916; municipal statistics of the Tanga station; lists of names of parishioners; lists of pupils; entries similar to church records on baptisms, weddings, deaths, 1902-1916

Letters and reports about the beginnings of work in thong

Diary reports (originals and copies) by Gleiss and Rösler from Wuga, respectively Ngasi at Wuga