[Images of Brazil: a Rockefeller Archive Center collection]

This article describes and comments on the collection of photographs of Brazil that belongs to the Rockefeller Foundation archives (Rockefeller Archive Center) in the United States. It also contains information about the origin of such documents and the way they were collected, as well as analyzes the context in which these visual documents were produced. They record the relationship between Rockefeller Foundation and Brazilian institutions engaged in the combat against yellow fever, malaria and ancyclostomaisis from 1920 to 1940.