Important subjects in this collection are Argentina - Instituto de Bacteriologia, Buenos Aires; Argentina - nursing school, Rosario; Argentina - political situation, especially as it affected universities; Chile - Quinta Normal Health Center; disease control - malaria, especially in the Lurin Valley, Peru; disease control - yellow fever, especially in Bolivia and Peru; Ecuador - National Institute of Hygiene, Guayaquil; epidemiology - general; epidemiology - malaria; epidemiology - yellow fever; insecticides - Paris green, DDT and others; Peru - Ica Health Center; public health - administration; public health - nursing; Russia - general commentary after two trips; and South America - life and customs, general commentary.

The papers of Nelson W. Aldrich (1841-1915), statesman, financier, and businessman, span the years 1777 to 1930, with the bulk of the material concentrated in the years 1879 to 1915. The collection is composed primarily of correspondence, printed matter, and material relating to tariff legislation and the National Monetary Commission, supplemented by diaries, notebooks, speeches, research notes, serials, financial papers, and miscellaneous items.

Primarily documents appropriations, with a small selection of financial records and audiovisual materials.

Rockefeller Foundation officers' diaries:

Rockefeller Foundation officers' diaries:

Rockefeller Foundation officers' diaries:

Rockefeller Foundation officers' diaries:

Types of records include: project and fellowship material.