United States. Bureau of Labor Statistics and Brackett, Jean C. Retired Couple's Budget for a Moderate Living Standard, Autumn 1966 : Bulletin of the United States Bureau of Labor Statistics, No. 1570-4 , Washington, D.C: U.S. G.P.O., Autumn 1966, https://fraser.stlouisfed.org/title/4832, accessed on January 13, 2025.