Footnotes

  1. Vernon Jordan, From a Contemporary Perspective: The National Urban League – A Ninety Year Retrospective (2000) ↩︎
  2. David L. Seim, Rockefeller and Modern Social Science (2013) ↩︎
  3. Dan Allosso, American Environmental History: Wilderness & Country Life (2015) ↩︎
  4. National Archives, Woman Suffrage and the 19th Amendment (2021) ↩︎
  5. John Louis Recchiuti, The Origins of American Progressivism: New York’s Social Science Community, 1880-1917 (1992) ↩︎