- Compulsory Insurance in Germany: Including an Appendix Relating to Compulsory Insurance in Other Countries in Europe
- As Others See Us: A Study of Progress in the United States
- An American Citizen; the Life of William Henry Baldwin, Jr.
- The Social Unrest: Studies in Labor and Socialist Movements
- Memorial Sermons in Recognition of the Two Hundred and Fiftieth Anniversary of the Founding of the First Religious Society in Roxbury