Klaus F. Riegel

• The developing individual in a changing world
• Foundations of dialectical psychology
• Psychology, mon amour
• Structure and transformation
• The Development of dialectical operations
• Der sprachliche Leistungstest SASKA
• Developing Individual in a Changing World, Vol. 2
• Foundations of dialetical psychology
• Historical and Cultural Issues
• Historical and cultural Issues : Aus
• Intelligence
• Psychological functioning in the normal aging and senile aged