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
Bethel-MissionReports and Letters, 1907-1914; Map sketch of the Annunciation Journey through Digoland by Franz Gleiss, February 1911
Bethel-MissionLetters to the Missionary Brothers and Sisters in Africa and to the Heimatleitung in Bielefeld
Bethel-MissionTravelogue Johanssen "From Dar-es-Salaam to Wuga, 1892; Untersuchungsreise von Gleiss u. Wohlrab von Hohenfriedeberg nach Wuga, 1894; Report on the founding negotiations of Wuga concerning von Wohlrab, 1895; diary reports, chronicles, letters (originals and copies), statistics especially of Gleiss, Langheinrich u. Rösler, 1895-1914 u. 1919-1920; Report on the founding of Wuga by Franz Gleiss, 12 p. printed, published as supplement to Semesterbrief Number 23 of the Greifswald Theological Society, 1896; "How it looks like in an African school by N. Rösler, 14 p., ms., January 1900; "Auf den Trümmern von Wuga von Missionar Döring, 14 p., Druck, 1902; "Die ersten Jahre der Station Wuga 33 p., ca. 1902; Berichte über die Station Mshihwi (s. a. M 603), 1908-1909
Bethel-Mission