- The German Workman: A Study In National Efficiency
- Social Insurance in Germany, 1883-1911: Its History, Operation, Results and Comparison with the National Insurance Act, 1911
- The German Empire 1867-1914: And the Unity Movement
- Matthew Arnold And His Relation To The Thought Of Our Time: An Appreciation And A Criticism
- Social Switzerland; Studies of Present-day Social Movements and Legislation in the Swiss Republic





























