United States. Department of the Treasury. "Office of Revenue Sharing," in United States. Department of the Treasury. "Annual Report of the Secretary of the Treasury on the State of the Finances, Fiscal Year 1977," Annual Report of the Secretary of the Treasury on the State of the Finances (Fiscal Year Ended September 30, 1977) : 233-238. https://fraser.stlouisfed.org/title/194/item/5620/toc/94207 , accessed on April 18, 2024.