Book Farley, John; (1977)
The spontaneous generation controversy from Descartes to Oparin

Book Dick, Steven J.; (1996)
The biological universe: The 20th-century extraterrestrial life debate and the limits of science

Book Dick, Steven J.; (1998)
Life on other worlds: The 20th-century extraterrestrial life debate

Book Jakosky, Bruce; (1998)
The search for life on other planets

Book Peebles, Curtis; (1994)
Watch the skies! A chronicle of the flying saucer myth

Article Crowe, Michael J.; (1997)
A history of the extraterrestrial life debate

Book Shapiro, Robert; (1999)
Planetary dreams: The quest to discover life beyond earth

Article Dick, Steven J.; (1996)
Other worlds: The cultural significance of the extraterrestrial life debate

Book Randles, Jenny; Warrington, Peter; (1985)
Science and the UFOs

Book Fisher, David E.; Fisher, Marshall Jon; (1998)
Stangers in the night: A brief history of life on other worlds

Book Clark, Jerome; (1992)
The emergence of a phenomenon: UFOs from the beginning through 1959

Book Swift, David W.; (1990)
SETI pioneers: Scientists talk about their search for extraterrestrial intelligence

Book Crowe, Michael J.; (1986)
The extraterrestrial life debate, 1750-1900: The idea of a plurality of worlds from Kant to Lowell

Book Sullivan, Walter; (1993)
We are not alone: The continuing search for extraterrestrial intelligence. Revised edition

Book Bartholomew, Robert E.; Howard, George S.; (1998)
UFOs and alien contact: Two centuries of mystery

Chapter Stone, Edward C.; (1997)
The search for the origins of life: U.S. solar system exploration, 1962-1994

Chapter Lamb, David; (1997)
Communication with extraterrestrial intelligence: SETI and scientific methodology

Book Smith, Justin E. H.; (2006)
The Problem of Animal Generation in Early Modern Philosophy

Book Jacobs, David M.; (1975)
The UFO controversy in America

Book Devereux, Paul; Brookesmith, Peter; (1997)
UFOs and Ufology: The first 50 years. With additional material by Montague Keen and Nigel Watson