•
The Cosmic Serpent (1982), with
Bill Napier •
The Cosmic Winter (1990), with Bill Napier •
The Origin of Comets (1990), with M. E. Bailey and Bill Napier • Close encounters with a million comets (15 July 1982).
New Scientist 95, (1314), 148–151, with Bill Napier • The microstructure of terrestrial catastrophism (1984).
Mon. Not. R. astr. Soc. 211, 953–968, with Bill Napier • The dynamics of armageddon (1988).
Speculations of Science and Technology 11 (4), 255–264; reprinted in Zysman, Milton and Clark Whelton (eds.) (1990).
Catastrophism 2000: A Sourcebook for the Conference Reconsidering Velikovsky, Toronto, Canada, pp. 5–16. • Giant Comets and Their Role in History, Chapter 14 in Singer, S. Fred (ed.) (1990).
The Universe and Its Origin: From Ancient Myth to Present Reality and Fantasy, Paragon House, New York. , pp. 145–161. • The structure and evolution of the Taurid Complex (1991).
Mon. Not. R. astr. Soc. 251, 632–648, with D. I. Steel and
D. J. Asher. • The Fundamental Role of Giant Comets in Earth History (1992).
Celestial Mechanics and Dynamical Astronomy 54, 179–193. • Hazards from Space: Comets in History and Science (1994). Chapter 7 in Glen, William (ed.) (1994).
The Mass-extinction Debates: How Science Works in a Crisis,
Stanford University Press. . pp. 152–169. • Are Impacts Correlated in Time? (1994). In Gehrels, Tom (ed.) (1994).
Hazards Due to Comets and Asteroids, University of Arizona Press. . pp. 463–478; with D.I. Steel, D.J. Asher and W.M. Napier. • The Nature of Punctuational Crises and the Spenglerian Model of Civilization (1995).
Vistas in Astronomy 39, 673–698. • An Exceptional Cosmic Influence and its Bearing on the Evolution of Human Culture as Evident in the Apparent Early Development of Mathematics and Astronomy (2003).
Astrophysics and Space Science 285, 521–532. ==References==