[[II-14]] Amazing Stories, Vol. XIX, No. 3 (September 1945).
[[II-15]] Amazing Stories, Vol. XX, No. 6 (September 1946).
[[II-16]] Amazing Stories, Vol. XX, No. 4 (July 1946).
[[II-17]] Amazing Stories, Vol. XXI, No. 2 (February 1947).
[[II-18]] Amazing Stories, Vol. XXI, No. 6 (June 1947).
[[II-19]] Fairman, P. W. “Personalities in Science Fiction,” If (May 1952), pp. 63–67.
[[II-20]] Ruppelt, E. J. The Report on Unidentified Flying Objects. Garden City, New York: Doubleday & Co., 1956.
[[II-21]] Flying Saucers, The Magazine of Space Conquest (December 1958).
[[II-22]] Flying Saucers from Other Worlds (June 1957).
[[II-23]] Flying Saucers, The Magazine of Space Conquest (December 1959).