Kittner, Dorothy Ruth and Davis, Harry E. (Harry Edward). Health and Insurance Plans Under Collective Bargaining : Surgical and Medical Benefits, Late Summer 1959 : Bulletin of the United States Bureau of Labor Statistics, No. 1280 , Washington, D.C: G.P.O., November 1960, https://fraser.stlouisfed.org/title/4555, accessed on December 22, 2024.