United States. Bureau of the Budget and United States. Office of Management and Budget. "Full-Time Equivalent of Federal Civilian Employment," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1990," Budget of the United States Government (January 9, 1989) : 580-580. https://fraser.stlouisfed.org/title/54/item/18996/toc/386399 , accessed on April 19, 2024.