Rotterdam Missionsgesellschaft; R. Ledeboer, secretary, sends writings and asks for return delivery, 1825; list of needs of a missionary to be sent out, equipment, travel expenses and costs for ongoing maintenance in Africa, 1829; Ledeboer sends 12 Dutch-speaking missions. Bibles as a gift, 1829; Ledeboer requests information about Wilhelm Wilhelmi, 1830; Ledeboer requests trained missionaries for East India, 1830; Ledeboer requests documents to obtain a residence permit for RMG missionaries in Borneo and Java, 1834; Ledeboer requests information about Philipp Wilken, 1837; Domine van Rhyn writes about himself and his family, offers to take packages to Dutch India, 1845;