Historical Depictions of the 1755 Lisbon Earthquake, (NISEE-National Information Service for Earthquake Engineering), http://www.nisee.org/lisbon
Earthquake Museum-1755 Lisbon Earthquake (Dan Goldstein, on-line curator, in association with Amazon Books / sponsor), http://www.olympus.net/personal/gofamily/quake/famous/lisbon.html
Images of Lisbon Earthquake-1755, http://www.geology.about.com/library/bl/bllisbon1755eq.htm
Maxwell, Kenneth, 2004, Pombal, Paradox of the Enlightenment , Hardback, 218 pgs, Cambridge University Press, ISBN: 0-521-45044-6
Dynes, Russell R., Seismic Waves in Intellectual Currents: The Uses of the Lisbon Earthquake in 18th Century Thought, DRC (Disaster Research Center), Department of Sociology and Criminal Justice, University of Delaware, Newark DE 19716
McKnight, Tom L., Hess, Darrel, 2004, 7th Edition, Physical Geography - A Landscape Appreciation, Pearson/Prentice-Hall, Pearson Education, Inc., Upper Saddle River, New Jersey 07458 ISBN: 0-13-100118-3, Earthquakes, pp. 404-405, 430-433, 599
Smith, Keith, 2002, 3rd Edition, Environmental Hazards - Assessing Risk and Reducing Disaster, Routledge, Taylor and Francis Group, London and New York, ISBN: 0-415-22464-0, Earthquakes, pp. 125 - 155
Earthquake Hazards Program, (offers near real-time maps and information about the locations and magnitudes of earthquakes around the world as well as information about seismic hazards and current earthquake research), http://earthquake.usgs.gov/
McKnight, Tom L., Hess, Darrel, 2004, 7th Edition, Physical Geography - A landscape Appreciation, Pearson/Prentice-Hall, Pearson Education, Inc., Upper Saddle River, New Jersey 07458 ISBN: 0-13-100118-3, Tsunamis, pp. 432, 567, 599
International Tsunami Information Center, Hawaii, (provides information about tsunamis and current tsunami warnings), http://www.prh.noaa.gov/itic/
Smith, Keith, 2002, 3rd Edition, Environmental Hazards - Assessing Risk and Reducing Disaster, Routledge, Taylor and Francis Group, London and New York, ISBN: 0-415-22464-0, Tsunamis, pp. 135 - 138