About Karl R. Bopp
Livingston, J. A. (Joseph A.). "About Karl R. Bopp," in Eastburn, David P., ed. Men, Money & Policy : Essays in Honor of Karl R. Bopp. 1970 : 8-15. https://fraser.stlouisfed.org/title/1012/toc/511858 , accessed on June 27, 2024.
Livingston, J. A. (Joseph A.). "About Karl R. Bopp," in Eastburn, David P., ed. Men, Money & Policy : Essays in Honor of Karl R. Bopp. 1970 : 8-15. https://fraser.stlouisfed.org/title/1012/toc/511858 , accessed on June 27, 2024.