UFO's--a scientific debate

Education and the UFO phenomenon / Thornton Page

Historical perspectives : photos of UFO's / William K. Hartmann

Astronomers' views on UFO's / Franklin Roach

Twenty-one years of UFO reports / J. Allen Hynek

Science in default : twenty-two years of inadequate UFO investigations / James E. McDonald

UFO's, the modern myth / Donald H. Menzel

Unusual radar echoes / Kenneth R. Hardy

Motion pictures of UFO's / R.M.L. Baker, Jr.

Sociological perspectives on UFO reports / Robert L. Hall

Psychology and epistemology of UFO interpretations / Douglass R. Price-Williams

Psychiatry and UFO reports / Lester Grinspoon and Alan D. Persky

On the abilities and limitations of witnesses of UFO's and similar phenomena / Frank D. Drake

Influence of the press and other mass media / Walter Sullivan

UFO's : the extraterrestrial and other hypotheses / Carl Sagan

The nature of scientific evidence : a summary / Philip Morrison.