United States. President and Council of Economic Advisers (U.S.). "Manufacturers' Shipments and Inventories," in United States. President and Council of Economic Advisers (U.S.). "1967," Economic Report of the President (1967) : 266-266. https://fraser.stlouisfed.org/title/45/item/8138/toc/257180 , accessed on April 25, 2024.