- The German Youth Movement: A Historical and Philosophical Perspective
- Being and Becoming: Aspects of the German Youth Movement
- Education for Youth: A Theoretical and Practical Guide
- The Education of the German Youth: A Critical Analysis
- The German Youth Movement: A Personal Retrospective
- The German Youth Movement: A Documentary History
- The German Youth Movement: A Philosophical Inquiry
- The German Youth Movement: A Sociological Analysis
- The German Youth Movement: A Historical Perspective
- The German Youth Movement: A Critical Perspective