United States. Bureau of Economic Analysis. "Personal Income by State, 2nd Quarter 2021 : Effects of Selected Federal Pandemic Response Programs on State Personal Income, 2021Q2, BEA 21-44," Bureau of Economic Analysis (BEA) News Releases (September 23, 2021). https://fraser.stlouisfed.org/title/6148/item/607446/content/pdf/bea_newsreleases_20210923_effects-personal-state-2021Q2, accessed on March 22, 2025.