United States Dept of Labor

• Annual Report - United States Department of Labor, Volumes 9-14
• Dictionary of Occupational Titles
• Employment and Natural Resources
• Monographs on Social Economics
• Occupational Outlook Handbook
• Regulations of the Department of Labor, in Effect October 15 1915
• Strike in the Copper Mining District of Michigan. Letter from the Secretary of Labor, Transmitting in Response to a Senate Resolution of January 29, 1914, a Report in Regard to the Strike of Mine Workers in the Michigan Copper District Which Began on July