Powers, Ruth J.
and Stewart, Stella, 1887-.
Changes in Retail Prices of Electricity, 1923-38 : Bulletin of the United States Bureau of Labor Statistics, No. 664 ,
Washington, D.C:
U.S. G.P.O.,
February 1939, https://fraser.stlouisfed.org/title/4172,
accessed on December 3, 2024.