Fiscal Year 2022 : Table 3.1 - Outlays by Superfunction and Function: 1940–2026
United States. Office of Management and Budget. "Fiscal Year 2022 : Table 3.1 - Outlays by Superfunction and Function: 1940–2026," Historical Tables, Budget of the United States Government (May 28, 2021). https://fraser.stlouisfed.org/title/383/item/603956/content/xlsx/BUDGET-2022-TAB-4-1, accessed on March 24, 2026.
United States Government Publishing Office