^"Timeline". Tesla Memorial Society of NY. Retrieved 3 July 2012.
^ abcPage, R.M., "The Early History of RADAR", Proceedings of the IRE, Volume 50, Number 5, May 1962, (special 50th Anniversary Issue).
^See U.S. Blows Up Tesla Radio Tower (1917) (citing page 293 of the September, 1917 issue of The Electrical Experimenter): "SUSPECTING that German spies were using the big wireless tower erected at Shoreham, L. I., about twenty years ago by Nikola Tesla, the Federal Government ordered the tower destroyed and it was recently demolished with dynamite."
^"Tesla Tower". Tesla Memorial Society of New York. Retrieved 11 June 2012.
^1936 unpublished interview, quoted in Anderson, L, ed. Nikola Tesla: Lecture Before the New York Academy of Sciences. 6 April 1897 : The Streams of Lenard and Roentgen and Novel Apparatus for Their Production, reconstructed 1994