http://themountainnewswa.net/2012/02/23/suspects-in-the-db-cooper-skyjacking-sketches-pictures-and-comparisons/
http://voices.yahoo.com/1971-db-cooper-letters-linked-suspect-william-gossett-7516448.html
http://www.citizensleuths.com/db-cooper-what-you-need-to-know.html
http://en.wikipedia.org/wiki/D._B._Cooper
http://history.howstuffworks.com/history-vs-myth/db-cooper1.htm
http://teguhlaksmana.blogspot.com/2012/01/db-cooper-yang-misterius-kasus.html
http://topyaps.com/top-10-sensational-cases-of-aircraft-hijacking/
http://voices.yahoo.com/1971-db-cooper-letters-linked-suspect-william-gossett-7516448.html
http://www.impawards.com/1981/pursuit_of_d_b_cooper.html
http://www.impawards.com/2004/without_a_paddle.html
http://voices.yahoo.com/1971-db-cooper-letters-linked-suspect-william-gossett-7516448.html
http://www.citizensleuths.com/db-cooper-what-you-need-to-know.html
http://en.wikipedia.org/wiki/D._B._Cooper
http://history.howstuffworks.com/history-vs-myth/db-cooper1.htm
http://teguhlaksmana.blogspot.com/2012/01/db-cooper-yang-misterius-kasus.html
http://topyaps.com/top-10-sensational-cases-of-aircraft-hijacking/
http://voices.yahoo.com/1971-db-cooper-letters-linked-suspect-william-gossett-7516448.html
http://www.impawards.com/1981/pursuit_of_d_b_cooper.html
http://www.impawards.com/2004/without_a_paddle.html