NOTE: As of 2019, Google has ended the search by date
service.
Website: news.google.com/newspapers:
https://www.google.no/search?num=100&q=UFO+dat=19731001+site:news.google.com/newspapers
(1 October 1973)
(1 October 1973)
(2 October 1973)
(3 October 1973)
(4 October 1973)
(5 October 1973)
(6 October 1973)
(7 October 1973)
(8 October 1973)
(9 October 1973)
(10 October 1973)
(11 October 1973)
(12 October 1973)
(13 October 1973)
(14 October 1973)
(15 October 1973)
(16 October 1973)
(17 October 1973)
(18 October 1973)
(19 October 1973)
(20 October 1973)
(21 October 1973)
(22 October 1973)
(23 October 1973)
(24 October 1973)
(25 October 1973)
(26 October 1973)
(27 October 1973)
(28 October 1973)
(29 October 1973)
(30 October 1973)
https://www.google.no/search?num=100&q=UFO+dat=19731031+site:news.google.com/newspapers
https://www.google.no/search?num=100&q=UFO+dat=19731031+site:news.google.com/newspapers
(31 October 1973)
Daily UFO Histogram 1973
(larryhatch.net/archive.org image)
