WWW LC auth. file, 27-12-2002---(Rockefeller Foundation; fundada en 1913)
La Fundación Rockefeller, 1923---port. (Fundación Rockefeller)
Rockefeller Foundation. Annual report, 1914-1966---1933, port. (Rockefeller Foundation; New York)
Rockefeller Foundation. Rapport annuel, 1914-1935---1930, port. (Fondation Rockefeller; New York)
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