Math You Can't Use : Patents, Copyright, and Software
Ben Klemens
Z-80 Microprocessor: Architecture, Interfacing, Programming ...
Ramesh Gaonkar
Principia Mathematica Vol 2
Alfred North Whitehead & Bertrand Russel
Trading and Exchanges
Larry Harris
Electromagnetic Retardation and Theory of Relativity: New Chapters ...
Oleg D. Jefimenko