Poltergeist-type incidents that occurred in 1829 in Ontario, Canada, and are described in eye-witness accounts published in the book The Baldoon Mystery.

Until its destruction by fire in 1939, Borley Rectory, a Victorian building in Essex in southern England, was the focus of persistent claims of poltergeist and haunting phenomena. 

Mid-nineteenth century French poltergeist case, with testimonies given in court about the phenomena experienced

Celebrated 1970s poltergeist case in a north London suburb, in which a number of anomalous disturbances were witnessed and documented over a two-year period. 

'Ghost hunting’ is a popular term for the investigation of claims of site-based paranormal phenomena, such as ghosts and poltergeists. 

Seventeenth century clergyman (1636-1680) and member of the Royal Society, one of the first intellectuals to take a scientific interest in paranormal claims.

Infrasound (audio frequencies below normal human hearing) has been investigated as a possible cause of paranormal-seeming effects.

1960s episode in which Florida-themed souvenir items were seen repeatedly falling from warehouse shelves without apparent cause. No evidence of trickery in the form of threads or other apparatus was ever discovered. 

Anomalous household or workplace disturbances such as ‘rapping’ or ‘knocking’ noises of unknown provenance, violent movements of furniture and other objects, outbreaks of fires, and inundations. 

Examines the theory that poltergeist phenomena represent brief, sporadic and large-scale manifestations of psychokinesis linked to a certain living individual, as opposed to a discarnate spirit.