Federal Reserve Bank of Chicago. "[Hillsdale County National Bank, Hillsdale, Michigan and Grosvenor Savings Bank, Jonesville, Michigan Merged Under Title Hillsdale County National Bank], Circular No. 1670" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (July 2, 1962). https://fraser.stlouisfed.org/title/7180/item/658856, accessed on December 11, 2024.