CIA - The World Factbook: Clipperton Island
   Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
   https://www.cia.gov/library/publications/the-world-factbook/geos/ip.html

Clipperton Island Pictures and History
   History, map and photos of the island.
   http://www.qsl.net/clipperton2000/history.html

NationMaster - Clipperton Island
   Profile includes information for various aspects of the country, with a special emphasis on statistics and rankings.
   http://www.nationmaster.com/country/ip-clipperton-island

Wikipedia - Clipperton Island
   Hyperlinked encyclopedia article offers a map, description and some history of the island.
   http://en.wikipedia.org/wiki/Clipperton_Island