The Rockefeller Archive Center
01-01-1921
Informal photograph of John D. Rockefeller, Sr. and John D. Rockefeller, Jr., 1921Courtesy of the Rockefeller Archive
https://digitalcommons.rockefeller.edu/context/founders-and-trustees/article/1005/viewcontent
http://digitalcommons.rockefeller.edu/founders-and-trustees/6
The Rockefeller University
https://digitalcommons.rockefeller.edu/context/founders-and-trustees/article/1005/type/native/viewcontent