'Mutation des Soldats Haoussa du Togo à Yaoundé afin d'y établir un contact avec les caravanes de marchands Haoussa de l'Adamaoua et leur redirection vers la côte du Protectorat du Cameroun. - Arrêté du Ministère des Affaires étrangères

Correspondence and memos on the situation of mission members in China and the Netherlands India; lists of names and news about internees; description of the conditions on mission stations after the Chinese-Ja-Panic War; newspaper article by journalist Zentgraff against RMG, IN: "de Java-Bode", No. 109, 110 112, May 1935; K. Helbig: Something about Atjeh & the Alas Valley, p.-Dr., Ostasiatische Rundschau, 3 p., 1940; The situation of Germans in Dutch and English overseas possessions, 7 leaflets, printed, partly in English. Ill. from internment camps, 1940-1942

Amraal's tribe, abandoned from 1880-1907, Farm Gobabis s. RMG 2.547; annual and conference reports, by missionary Jakob Friedrich Johann Irle and others, 1908-1935; Chronology of Gobabis 1855-1910, pag. 1, ca. 1910; Reports of mission colonist Oskar Emil August Gerlach, 1908-1909; visitation report, picture postcard, 1911; report to OKR in Berlin about work on d. Gobabis district, 1911; Gobabis, report, Jakob Friedrich Johann Irle about his 25 years there, 1931; About Amral Lambert's life, the mission station Wesley Vale and Gobabis and the Mbanderu until about 1896, Jakob Friedrich Johann Irle, 10 p. ms, o. J.