References
gizmodo.com/5755875/abandoned-on-mt-everest www.mnteverest.net/history.html www.panoramas.dk/fullscreen2/full22.html library.thinkquest.org/5069 www.wikipedia.com www.youtube.com/watch?v=nZx-bUVbJnc www.pbs.org/wgbh/ nova/everest/www.5min.com/Video/Mount-Everest-Deaths-119993288climbing.about.com/.../ did-mallory-and-irvine-s...mt-everest-mystery-
http://www.youtube.com/watch?v=TA9ZiB20tt0&feature=related