Hetzel, Robert L. and Leach, Ralph F. Ralph Leach Interview, November 28, 1994, Robert Hetzel Oral History Collection. https://fraser.stlouisfed.org/archival/4927/item/501758, accessed on September 23, 2024.
Hetzel, Robert L. and Leach, Ralph F. Ralph Leach Interview, November 28, 1994, Robert Hetzel Oral History Collection. https://fraser.stlouisfed.org/archival/4927/item/501758, accessed on September 23, 2024.