United States. Bureau of Labor Statistics.
Labor and Material Requirements for Construction of Private Single-Family Houses : Bulletin of the United States Bureau of Labor Statistics, No. 1755 ,
Washington, D.C:
For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1972, https://fraser.stlouisfed.org/title/4762,
accessed on September 6, 2024.