“John D. Rockefeller, age 41, in 1880 — Allan Nevins, John D. Rockefeller (New York: Scribner, 1959), I:622.”
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“John D. Rockefeller, age 41, in 1880 — Allan Nevins, John D. Rockefeller (New York: Scribner, 1959), I:622.”
Captured 2026-08-16 from Wikiquote (en). The archived copy is preserved so this citation survives link rot.