[[IX-14]] Schmidt, R. O. “The Kearney Incident,” Flying Saucers (October 1959), p. 31 ff.
[[IX-15]] UFO Critical Bulletin, Vol. II, No. 2 (March-April 1958).
[[IX-16]] “The Case of the Radioactive UFO,” Flying Saucers (February 1958), p. 30.
[[IX-17]] “Electro-magnetic Effects Associated With Unidentified Flying Objects (UFO’s),” Subcommittee of the National Investigations Committee on Aerial Phenomena (NICAP), Washington, D.C. (June 1960).
[[IX-17a]] Sky and Telescope, Vol. XXIII (1962), p. 323.
[[IX-18]] Michel, A. The Truth about Flying Saucers. New York: Criterion Books, 1956.
[[IX-19]] Keyhoe, D. E. The Flying Saucer Conspiracy. New York: Henry Holt & Co., 1955.
[[IX-20]] Scully, F. Behind the Flying Saucers. New York: Popular Library, 1951.
[[IX-21]] Cramp, L. G. Space, Gravity and the Flying Saucer. New York: British Book Centre, 1955.