Labbie, Claire Lois , Lewis, Richard H. , United States. Bureau of Labor Statistics and Winegarden, Calman R. (Calman Robert). Employment Outlook in Foundry Occupations : Bulletin of the United States Bureau of Labor Statistics, No. 880 , Washington: U.S. Govt. Print. Off., 1946, https://fraser.stlouisfed.org/title/4335, accessed on November 22, 2024.