The Collected Works of l. S. Vygotsky: Problems of General Psychology, Including the Volume Thinking and Speech (Cognition and Language: A Series in Psycholinguistics) (en Inglés)
Vygotsky was a Russian psychologist and one of the most influential psychologists in the world during the 20th century. This volume, the first of six, examines Vygotsky's works involving problems of general psychology, including thinking and speech.