Board of Governors of the Federal Reserve System (U.S.), 1935-. "Installment Credit - Total Outstanding and Net Change," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1970-1979," Annual Statistical Digest (March 1981) : 294-306. https://fraser.stlouisfed.org/title/7/item/23506/toc/190725 , accessed on May 11, 2024.