T.T. Brown's Electrogravitics Research
Electrogravitics Systems: Reports on a New Propulsion Methodology
Electrogravitics II: Validating Reports on a New Propulsion Methodology (No. 2)
Tesla : The Lost Inventions
Field Propulsion by Control of Gravity: Theory and Experiments
Inventions of Nikola Tesla: A Complete Set of Patents
Quest for Zero Point Energy Engineering Principles for Free Energy
Magnetic Current