Oldest travel reports of the RMG about Southwest Africa (transcript from the Monatsblatt d. Norddeutscher Missionsgesellschaft, 2. Jg., p. 146-155), 8 p., ms., double available, 1841; extracts from letters of Friedr. Simon Eggert, Scheppmansdorf, ms.., 1859-1868; Request of Jonas and Jacobus Boois to Franz Heinrich Kleinschmidt for e. Missionary (2 original letters, afrikaans), 1861; Peter Heinrich Brincker: I. Die Ovaherero, II. Die Missionsarbeit unter d. Herero, 90 p., hs, 1876; Defense of the defamation of Dr. Theophil Hahn against the Damra missionaries, deputation of the RMG, Dr., 1884; Hendrik Witbooi's request to Inspector Dr. August Schreiber for e. Missionary (Original, afrikaans), 1895; Hendrik Witbooi's request to Francois for ammunition and rifles, (copy), 1893; P. Kunze, Sülldorf, about Hendrik Witbooi, 1906; Die Geschichte d. "Kowese volk" written down by e. members of the people themselves in Afrikaans, 8 p., hs. u. Kopie, N. N., no year; suggestions for missionary work in South West Africa, by Heinrich Vedder, 19 p., ms., c. 1910; excerpt from "Beitrag zur Geschichte d. Kowesi-Stammes, 1897", Johannes Olpp, 7 p., 1906; overview of the work of the RMG in "Deutsch-Südwestafrika", 1903; "Die Religion d. Herero", August Carl Heinrich Kuhlmann, with remarks by Jakob Friedrich Johann Irle, 20 p., ms, 1912; The situation of the indigenous people of South Africa in social and political relations, (S.-Abdr. from "Mitteilungen aus d. deutschen Schutzgebieten", 34th vol., H. 1), Prof. Dr. G. Knothe, 1926