- Who's Whoin Hunland: A Glossary of the Persons Issues, Places and Things We Read about in Germany
- Men Around the Kaiser: The Makers of Modern Germany
- Emile Berliner, maker of the microphone
- The German-American Plot, the Record of a Great Failure: The Campaign to Capture the Sympathy and Support of the United States (Classic Reprint)
- The Assault - Germany Before The Outbreak And England In War-Time - A Personal Narrative