UFOS AND THE EXTRATERRESTRIAL CONTACT MOVEMENT: A BIBLIOGRAPHY/VOL ONE & UNIDENTIFIED FLYING OBJECTS/VOL TWO : THE EXTRATERRESTRIAL CONTACT MOVEMENT BY GEORGE M. EBERHART (1986)
UFOS AND RELATED SUBJECTS: AN ANNOTATED BIBLIOGRAPHY BY LYNN E. CATOE, LIBRARY OF CONGRESS, DEFENSE TECHNICAL INFORMATION CENTER (1969)
THE INVISIBLE COLLEGE: WHAT A GROUP OF SCIENTISTS HAS DISCOVERED ABOUT UFO INFLUENCE ON THE HUMAN RACE BY JACQUES F. VALLÉE (1975)
THE ROSWELL REPORT: FACT VERSUS FICTION IN THE NEW MEXICO DESERT BY RICHARD L. WEAVER, U. S. AIR FORCE (1995)
THE TRUTH BEHIND MEN IN BLACK: GOVERNMENT AGENTS OR VISITORS FROM BEYOND BOOK BY JENNY RANDLES (1997)
SUPERNATURAL RELIGION : AN INQUIRY INTO THE REALITY OF DIVINE REVELATION BY WALTER RICHARD CASSELS (1874)
THE EDGE OF REALITY: A PROGRESS REPORT ON UNIDENTIFIED FLYING OBJECTS BY J. ALLEN HYNEK, JACQUES VALLEE (1975)
CLOSE ENCOUNTERS OF THE FOURTH KIND: ALIEN ABDUCTION, UFOS, AND THE CONFERENCE AT M.I.T. BY C. D. B. BRYAN (1995)