Pennsylvania. Dept. of Labor and Industry

• Accidents and disease in the factory
• Safety appliances approved by the Industrial Board
• Second industrial directory of Pennsylvania, 1916
• Third industrial directory of Pennsylvania, 1919
• Preliminary prospectus of the Pennsylvania Industrial Welfare and Efficiency Convention to be held in the halls of the capitol building at Harrisburg on October 28th, 29th and 30th, 1913
• Workmen's compensation studies