Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Business Sales and Inventories - Manufacturing and Trade," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "April 1990," Economic Indicators (April 1990) : 22-22. https://fraser.stlouisfed.org/title/1/item/701/toc/351430 , accessed on May 13, 2024.