Kuczynski, Robert René, 1876-1947
, United States. Bureau of Labor Statistics
and United States. Congress. House.
Postwar Labor Conditions in Germany : Bulletin of the United States Bureau of Labor Statistics, No. 380 ,
Washington, D.C:
G.P.O.,
March 1925, https://fraser.stlouisfed.org/title/4009,
accessed on November 12, 2024.