Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Ratio of Collections to Accounts Receivable," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1952," Federal Reserve Bulletin (November 1952) : 62-62. https://fraser.stlouisfed.org/title/62/item/21215/toc/158965 , accessed on April 19, 2024.