- The Immigration Problem
- The Causes of the Panic of 1893
- Increase in cost of living and prices, 1914 to 1920
- Statements Before The United States Anthracite Coal Commission Presented On Behalf Of The United Mine Workers Of America, Volume 13...
- The industrial code; a survey of the post-war industrial situation, a review of war-time developments in industrial relations, and a proposal looking to permanent industrial peace