United States. Bureau of Labor Statistics. North Central Regional Office and Linn, Woodrow C. Municipal Labor-Management Relations: Chronology of Compensation Developments in Milwaukee, 1960-70 : Bulletin of the United States Bureau of Labor Statistics, No. 1720 , Chicago: For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington, 1971, https://fraser.stlouisfed.org/title/4784, accessed on October 6, 2024.