http://www.godlikeproductions.com/forum1/message1462355/pg24 - John Lear, renowned pilot, says, "...Please read: Planes Without Passengers by Dean T. Hartwell (amazon.com) who explains that most of the passengers did not exist. No SS [Social Security], no DL [Driver's License], no street address, no family, nobody asking questions on their behalf..."
http://covertoperations.blogspot.com/2012/01/is-it-just-me-or-is-it-almost.html#3988799293581575731 - something new:
http://www.amazon.com/Planes-without-Passengers-Faked-Hijackings/dp/1456493000/ref=sr_1_1/192-6417010-6456011?ie=UTF8&s=books&qid=1294606786&sr=1-1
http://www.topix.com/forum/topstories/T9AMNETUAF8T1I2GU - "Planes without Passengers The Real Story of 9/11"
http://www.9-11review.net/
http://www.islamali.net/
http://laura-h-mcbride.hubpages.com/hub/911s-aftermath-What-to-do-about-the-fear
http://philosophicalanthropology.blogspot.com/2011/09/91111-orgy-of-deception.html