- Series: Scientific Hoaxes (Amazing Stories) Series Record # 24620
- Scientific Hoaxes (Amazing Stories)
- The Lying Stones of Dr. Beringer (1964) [ES] by Robert Silverberg
- The Men in the Moon (1965) [ES] by Robert Silverberg
- The Man Who Discovered Atlantis (1965) [ES] by Robert Silverberg
-
John Keely's Perpetual Motion Machine (1965) [ES]
by
Robert Silverberg
also appeared as:
-
Translation: John Keely örökmozgója?John Keely orokmozgoja[Hungarian] (1974)
John Keely oeroekmozgooja
-
Translation:
- The Kensington Stone (1965) [ES] by Robert Silverberg