Contains the correspondence and reports of the International Health Board/International Health Division (IHB/D) of the Rockefeller Foundation, including the Rockefeller Institute Virus Laboratories.

Correspondence of The Rockefeller Foundation consists principally of material not directly connected with an institutional grant. It includes: inter-office memoranda, correspondence between field officers and the home office, extracts from officers' diaries, forms and other material relating to fellowships; casual requests for information, employment, or aid; printed matter and letters of abuse received by the Foundation. As such, the General Correspondence provides insight into the day-to-day workings of the Foundation.

This collection contains copies of handwritten and typed reports, in German, from the Rheinische Missionsgesellschaft (Rhenish Missionary Society) missionaries located in Southern Africa, Borneo, Sumatra, Nias and New Guinea.