Vygotsky was a Russian psychologist and one of the most influential psychologists in the world during the 20th century. This volume, the last of six, examines Vygotsky's scientific archives and legacy.

Tool and Sign in the Development of the Child.- 1: The Problem of Practical Intellect in the Psychology of Animals and the Psychology of the Child.- 2: The Function of Signs in the Development of Higher Mental Processes.- 3: Sign Operations and Organization of Mental Processes.- 4: Analysis of Sign Operations of the Child.- 5: Methods of Studying Higher Mental Functions.- Conclusion.- The leaching about Emotions. Historical-Psychological Studies.- Sections 1-20.- On the Problem of the Psychology of the Actor's Creative Work.- Epilogue.- Notes to the Russian Edition.- References.- Works of L. S. Vygotsky.- Works about L. S. Vygotsky.- Author Index.