Rockefeller Archive Center, John D. Rockefeller 3rd papers, RG 5, series 1.5, box 82, folder 682
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New York (N.Y.) New York
Rockefeller, John D., “Opportunities in the broad field of population,” 100 Years: The Rockefeller Foundation, accessed April 24, 2017, http://rockefeller100.org/items/show/3751.