Conference minutes; circulars; lists of participants and invitations; card by Niederl. New Guinea with mission stations, 1:5,000,000, 1930; De Internationale Zendingsraad, by Baron E. von Boetzelaer van Dubeldam, 24 p., Dr., 1932; Lunteren, No. 5, 1932; Correspondence on the establishment of the e. Mission Museum in Zeist Castle, 1933; Statistical data on the RMG Missionange members currently and formerly active in Dutch India, 1948

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