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-. "1988," Annual Statistical Digest (November 1989) : 114-115. https://fraser.stlouisfed.org/title/7/item/23494/toc/426476 , accessed on April 18, 2024.