The Early Growth of Logic in the Child: Classification and Seriation
Jean Piaget & Bärbel Inhelder
In Search of P. D. Ouspensky The Genius in the Shadow of Gurdjieff
Gary Lachman
The Secret Science of Numerology: The Hidden Meaning of Numbers ...
Shirley Blackwell Lawrence
Oxford Studies in Ancient Philosophy - Volume 29
David Sedley
Topological Degree Theory and Applications
Yeol Je Cho & Yu-Qing Chen
Essays in Understanding: 1930-1954
Hannah Arendt & Jerome Kohn