Mental Imagery in the Child: A Study of the Development of Imaginal ...
Jean Piaget
The Atman Project: A Transpersonal View of Human Development
Kenneth E. Wilber
An Introduction to Kolmogorov Complexity and Its Applications
Ming Li & Paul Vitanyi
Der Lehrer Gurdjieff
John G. Bennett
Georg Wilhelm Friedrich Hegel: Encyclopedia of the Philosophical ...
Georg Wilhelm Fredrich Hegel
The Myths and Legends of Ancient Greece and Rome
E. M. Berens