At head of title: U.S. Department of Labor. Bureau of Labor Statistics. Royal Meeker, commissioner.
"This study is based on a report made by the author for the [United States] Commission on Industrial Relations, and submitted to that commission in 1915."--p. 5.
Issued also as House doc 848, 64th Cong., 1st sess.
"Select list of references on collective bargaining in the anthracite field.": p. 168-171.