The Genesis and Evolution of Social Security

Jeffrey A. Miron and David N. Weil, The Defining Moment: The Great Depression and the American Economy in the Twentieth Century (University of Chicago Press, 1998), chap. 9, https://www.nber.org/books-and-chapters/defining-moment-great-depression-and-american-economy-twentieth-century/genesis-and-evolution-social-security.