Kirk, William F.
, United States. Bureau of Labor Statistics
and United States. Congress. House.
Productivity Costs in Common-Brick Industry : Bulletin of the United States Bureau of Labor Statistics, No. 356 ,
Washington, D.C:
G.P.O.,
October 1924, https://fraser.stlouisfed.org/title/3996,
accessed on May 1, 2025.
@FedFRASER