http://www.american-tribes.com/

http://en.wikipedia.org/wiki/Category:Native_American_tribes

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

http://www.intertribal.net/NAT/NATribes.htm

http://www.wisconsin.gov/state/core/wisconsin_native_american_tribes.html

http://edrp.arid.arizona.edu/tribes.html

http://memory.loc.gov/ammem/award98/ienhtml/tribes.html

http://www.infoplease.com/spot/aihmnations1.html

http://www.42explore2.com/native4.htm

http://www.native-languages.org/languages.htm

http://www.smithtrail.net/native-americans/tribes-today.aspx

http://www.kidinfo.com/American_History/Native_Americans.html

http://www.fortunecity.com/victorian/ferndale/61/tribes.htm

http://search.barnesandnoble.com/Encyclopedia-of-Native-American-Tribes/Carl-Waldman/e/9780816062737

http://500nations.com/500_Tribes.asp

http://www.pbs.org/lewisandclark/native/index.html

http://www.americanwest.com/pages/indrank.htm

http://www.native-languages.org/alabama.htm

http://www.hud.gov/groups/phastribes.cfm

http://www.uspto.gov/web/offices/com/sol/notices/insgstdy.pdf