Routledge Companion to Ancient Philosophy
Frisbee Sheffield
Sacred Geometry and Numerology
Moustafa Gadalla
Concepts of Mass in Contemporary Physics and Philosophy
Max Jammer
The Physics Problem Solver
Research & Education Association & Max Fogiel
Secrets of Western Tantra
Robert Anton Wilson & Christopher S. Hyatt & Israel Regardie
Die Macht Ihres Unterbewußtseins
Murphy, Dr. Joseph