Board of Governors of the Federal Reserve System (U.S.), 1935-. "Installment Credit - Total Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1991," Annual Statistical Digest (November 1992) : 99-99. https://fraser.stlouisfed.org/title/7/item/23497/toc/264506 , accessed on March 28, 2024.