Die Pforten der Wahrnehmung
Aldous Leonard Huxley
The New Taxonomy
Quentin D. Wheeler
A Logical Journey: From Gödel to Philosophy
Hao Wang
An Introduction to Linguistics
Loreto Todd
Whitehead's Organic Philosophy of Science
Ann L. Plamondon
The problem of the obelisks, from a study of the unfinished ...
Reginald Engelbach