http://www.hummer.com/

http://www.amgeneral.com/vehicles_hummer.php

http://www.h1source.com/

http://media.gm.com/division/2005_prodinfo/hummer/h1/index.html

http://en.wikipedia.org/wiki/Hummer_H1

http://en.wikipedia.org/wiki/Hummer

http://www.autoweb.com/content/research/searchresults/index.cfm/action/SelectTrim/make_vch/Hummer/model_vch/H1/virsection/summary

http://www.lynchhummer.com/Changes/h1.changes/h1changes.index.html

http://www.truckinweb.com/used/hummer/h1/index.html

http://www.moabadventurecenter.com/trips/hummer/hummer_H1_features.php