Psychedelics Encyclopedia
Peter G. Stafford & Jeremy Bigwood
The DIM Hypothesis: Why the Lights of the West Are Going Out
Leonard Peikoff
The Angelical Language - 1: The Complete History and Mythos ...
Aaron Leitch
Studies in cognitive development; essays in honor of Jean Piaget
Jean Piaget
Secrets of the I Ching
Joseph Murphy
The Book of Secrets of Albertus Magnus: Of the Virtues of Herbs, ...
Michael R. Best & Frank H. Brightman