The Library of Congress
01-01-1915
Luther Emmett Holt, ca. 1915
https://digitalcommons.rockefeller.edu/context/founders-and-trustees/article/1003/viewcontent
http://digitalcommons.rockefeller.edu/founders-and-trustees/4
Public domain
https://digitalcommons.rockefeller.edu/context/founders-and-trustees/article/1003/type/native/viewcontent