Short Math Guide for LaTeX
Michael Downes
The Religion of Tomorrow: A Vision for the Future of the Great ...
Kenneth E. Wilber
Secrets of the Law of Vibration for Traders
Neall Concord-Cushing
Cunningham's Encyclopedia of Crystal, Gem & Metal Magic
Scott Cunningham
RYA Flag Etiquette and Visual Signals (C4) 2001 0901501813
Unknown
apt Cheat Sheet
Opensource.com