Bopp, Karl R., 1906-1979
and Federal Reserve Bank of Philadelphia
"Reichsbank Operations, 1876-1914."
Outline of speech before the Banking Seminar at Columbia University,
April 7, 1954,
https://fraser.stlouisfed.org/title/1013/item/1086, accessed on April 13, 2025.
@FedFRASER