Berman, Edward, 1897-1938. Operation of Savings-Bank Life Insurance in Massachusetts and New York: Revision of Bulletin no. 615: The Massachusetts System of Savings-Bank Life Insurance : Bulletin of the United States Bureau of Labor Statistics, No. 688 , Washington, D.C: U.S. G.P.O., 1941, https://fraser.stlouisfed.org/title/4187, accessed on December 23, 2024.