Sydenstricker, Edgar, 1881-1936
, United States. Bureau of Labor Statistics. Industrial Relations Division
and United States. Bureau of Labor Statistics.
Collective Bargaining in the Anthracite Coal Industry : Bulletin of the United States Bureau of Labor Statistics, No. 191 ,
Washington, D.C:
Government Printing Office,
March 1916, https://fraser.stlouisfed.org/title/3838,
accessed on September 27, 2024.