Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Rock County BanCorp and Jackman Management to become a BHC and Jackman Management to acquire shares in Rock County National Bank of Janesville and Rock County Savings and Trust Company" in Press Releases of the Board of Governors of the Federal Reserve System
(March 13, 1973).
https://fraser.stlouisfed.org/title/9237/item/699002, accessed on January 13, 2026.