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. Experiments on the Practical Intellect of the Child. The Function of Speech in the Use of Tools. The Problem of Practical and Verbal Intellect. Speech and Practical Action in the Behavior of the Child. Development of Higher Forms of Practical Activity in the Child. The Path of Development in Light of Facts. The Function of Socialized and Egocentric Speech. Change in the Function of Speech in Practical Activity.
2. The Function of Signs in the Development of Higher Mental Processes. Development of Higher Forms of Perception. Division of the Primary Unity of the Sensory-Motor Function. Reconstruction of Memory and Attention. The Voluntary Structure of Higher Mental Functions.
3. Sign Operations and Organization of Mental Processes. The Problem of the Sign in the Formation of Higher Mental Functions. Social Genesis of Higher Mental Functions. Basic Rules of Development of Higher Mental Functions.
4. Analysis of Sign Operations of the Child. The Structure of Sign Operations. Genetic Analysis of the Sign Operation. Further Development of Sign Operations.
5. Methods of Studying Higher Mental Functions. Conclusion. The Problem of Functional Systems the Use of Tools by Animal and Man. Word and Act.
The Teaching 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. Subject Index.

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.