(1) See for example, Nancy Talbot 'Crop Formations: The Biophysical Perspective', The Circular, No 27 Winter 1996/7
 
(2) Alfred Watkins, The Old Straight Track: Its Mounds, Beacons, Moats, Sites and Mark Stones, Abacus 1974
 
(3) See for example Jim Lyons, 'Gravitation plus Cavitation = Salvation?', The Circular No 27 Winter 1996/7
 
(4) See Elaine Showalter, Hystories: Hysterical Epidemics and Modern Culture, Columbia University Press 1997, p161
 
(5) Elaine Showalter, ibid p9
 
(6) Slavoj Zizek, The Sublime Object of Ideology, Verso 1989
 
(7) Theodor Adorno, 'The Stars Down To Earth: The Los Angeles Times Astrology Column', in Theodor Adorno, ed. Stephen Crook, The Stars Down to Earth and other essays on the irrational in culture, Routledge 1994, p34. In the 1950s Carl Jung also became interested in modern manifestations of the paranormal. See Flying Saucers: A Modern Myth of Things Seen in the Sky (1959), Ark, 1977. Jung's description of UFO sightings as "visionary rumours" is built on a conservative theory of the psyche as the repression of a mythic unconscious. The sightings become compensatory projections of 'spiritual wholeness'.
 
(8) Adorno, ibid p44
 
(9) Peter Sloterdijk, Critique of Cynical Reason, Verso 1988
 
(10) Adorno, 'The Stars Down To Earth', op cit p119
 
(11) For a discussion of the telephone and Spiritualism see Avital Ronell, The Telephone Book: Technology, Schizophrenia, Electric Speech, University of Nebraska Press 1989
 
(12) See Tom Gunning, 'Phantom Images and Modern Manifestations: Spirit Photography, Magic Theater, Trick Films and Photography's Uncanny' in Fugitive Images: From Photography to Video ed Patrice Petro, 1995 Indiana University Press. For a discussion of Spiritualism and the early working-class movement, see Logie Barrow, The Independent Spirits: Spiritualism and English Plebeians 1850-1910, History Workshop Series, Routledge 1986
 
(13) For a brief discussion of the artist as trickster, see Rod Dickinson, 'It's Art for Folk's Sake', Fortean Times, Jan 1998
 
(14) For an interesting anecdotal discussion of these connections see, Mark Polizzotti, Revolution of the Mind: The Life of Andre Bréton, Bloomsbury 1995
 
(15) Michael Asher, Writings 1973-1983 on Works 1969-1979, ed. Benjamin H. Buchloh, Nova Scotia Press 1983. See also Hans Haacke: Unfinished Business, New Museum of Contemporary Art, New York 1986
 
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