1968 - Arthur C. Aho - Energy Unlimited - A Case for Space
Hendershot Overunity Freeenergy Generator_book : Suppressed Invention Revealed for first time
81002225 Hendershot MrX
Hendershot Book
Proceedings-Vol 10 No 06-Oct-Nov-Dec-1974 (George Van Tassel)
Hendershot Fuelless Generator
