Kappele, William A.; Kappele, Cora (2000-04-01). Scenic Driving Kentucky. Globe Pequot. p. 202. ISBN9781560447337. Nathan Beverly Stubblefield, the third of 4 sons of William Jefferson and Victoria Frances Stubblefield
"The Latest Advance in Wireless Telephony" by Waldon Fawcett, Scientific American, May 24, 1902, p. 363. There is no evidence that the South Carolina link was ever constructed.
"Notes", Nature (London), June 12, 1902, page 158.
"The Collins Wireless Telephone", Scientific American, July 19, 1902, pages 37-38. (as reprinted in the Journal of the United States Artillery, September–October 1902, pages 202-205). Collins would later also develop radio-based wireless telephones, using arc-transmitters, but his efforts were tainted by excessive stock promotion. In early 1913 he and two associates working for the Continental Wireless Telephone and Telegraph Company would be convicted of mail fraud, for which he served one year of a three-year prison sentence.
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