Bopp, Karl R. (Karl Richard), 1906-1979 and Federal Reserve Bank of Philadelphia "Comments for WCAU - TV." Notes, March 7, 1958, https://fraser.stlouisfed.org/title/1013/item/1014, accessed on March 28, 2024.
Bopp, Karl R. (Karl Richard), 1906-1979 and Federal Reserve Bank of Philadelphia "Comments for WCAU - TV." Notes, March 7, 1958, https://fraser.stlouisfed.org/title/1013/item/1014, accessed on March 28, 2024.