Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Department Store Statistics - Weekly Index of Sales," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1949," Federal Reserve Bulletin (September 1949) : 109-109. https://fraser.stlouisfed.org/title/62/item/21177/toc/165474 , accessed on May 9, 2024.