UFO News Article:
“More Than 15 Million People Have Seen UFOs”,
29 November 1973 (The Ledger, Lakeland, Florida)
The Ledger reports about a November 1973 Gallup poll on UFOs:
http://news.google.com/newspapers?id=CxNNAAAAIBAJ&sjid=evoDAAAAIBAJ&pg=7181,8972195
The article is written by George Gallup, the inventor of the Gallup poll.
NOTE: The newspaper date is 29 November 1973.
Wikipedia article: “George Gallup”:
http://en.wikipedia.org/wiki/George_Gallup
Map of the United States (united-states-map.com)
(united-states-map.com)