http://www.cato.org/current/terrorism/index.html

http://www.state.gov/s/ct/

http://www.blarg.com/~whitet/ct.htm

http://nsi.org/terrorism.html

http://www.globaldisaster.org/cyberterrorrescen.html

http://www.earthliberationfront.com/

http://www.emergency.com/cntrterr.htm

http://www.extremistgroups.com/links.html

http://www.globalterrorism.com/

http://intelweb.janes.com/

http://www.ict.org.il/

http://www.specialoperations.com/Terrorism/

http://www.mahk.com/index2.html

http://polisci.home.mindspring.com/ptd.html

http://www.straightedgeterrorists.com/

http://www.psr.keele.ac.uk/sseal/terror.htm

http://www.terrorism.net/groups/

http://web.nps.navy.mil/~library/tgp/tgp2.htm

http://www.spystuff.com/terrorism.html

http://web.nps.navy.mil/~library/tgp/tgpndx.htm