Winfield W. Riefler Papers, 1929-1971 : [A Finding Aid to the Collection at the National Archives and Records Administration],
Winfield W. Riefler Papers (RFLR), 1929-71.
United States. National Archives and Records Administration.
https://fraser.stlouisfed.org/archival/1345/item/531191, accessed on May 22, 2025.