Fiscal Year 2022 : Table 9.8 - Composition of Outlays for the Conduct of Research and Development: 1949–2022
United States. Office of Management and Budget. "Fiscal Year 2022 : Table 9.8 - Composition of Outlays for the Conduct of Research and Development: 1949–2022," Historical Tables, Budget of the United States Government (May 28, 2021). https://fraser.stlouisfed.org/title/383/item/603956/content/xlsx/BUDGET-2022-TAB-10-8, accessed on April 17, 2026.
United States Government Publishing Office