Bopp, Karl R., 1906-1979
and Federal Reserve Bank of Philadelphia
"The New Quest for Security."
First National Seminar of the Association of Chartered Life Underwriters, University of Pennsylvania, Philadelphia, Pa.,
September 21, 1959,
https://fraser.stlouisfed.org/title/1013/item/1199, accessed on April 13, 2025.
@FedFRASER