Bibliography
- Sheaffer, Robert (1980). The UFO Verdict: Examining the Evidence. Buffalo, N.Y: Prometheus Books. ISBN 0-87975-338-2.
- Sheaffer, Robert (1998). UFO Sightings: The Evidence. Buffalo, N.Y: Prometheus Books. ISBN 1-57392-213-7.
- Sheaffer, Robert (1988). Resentment Against Achievement: Understanding The Assault Upon Ability. Buffalo, N.Y: Prometheus Books. ISBN 0-87975-447-8.
- Sheaffer, Robert (1991). The Making of the Messiah: Christianity and Resentment. Buffalo, N.Y: Prometheus Books. ISBN 0-87975-691-8.
- Sheaffer, Robert (2011). Psychic Vibrations: Skeptical Giggles from the Skeptical Inquirer. Create Space. ISBN 1-4636-0157-3.
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