Comparison of Government Employment in Great Britain and the United States, 1900-1950

Moses Abramovitz and Vera F. Eliasberg, The Growth of Public Employment in Great Britain (Princeton University Press, 1957), chap. 7, https://www.nber.org/books-and-chapters/growth-public-employment-great-britain/comparison-government-employment-great-britain-and-united-states-1900-1950.