Over de ramp:

www.interpol.int
www.redcross.org
www.washingtondc.gov
www.nyc.gov
www.dtic.mil
www.whitehouse.gov
www.fema.gov
www.usemb.nl
www.mta.nyc.ny.us

Passagierslijsten:

www.ual.com
www.amrcorp.com

Ambassade:

www.netherlands-embassy.org

Terrorisme:

news.findlaw.com
www.u-paris2.fr
www.icm-satp.com
www.ciss.ca
www.tau.ca.il
www.etown.edu
www.iacsp.com
www.nici.org
www.antiterrorism.org
www.meib.org
www.terrorism.com
www.emergency.com
www.specialoperations.com
www.terrorism.org
www.idf.il
www.mfa.gov.il
www.state.gov(1)
www.state.gov(2)
www.usdoj.gov
www.fbi.gov
www.faa.gov