http://www.bbc.co.uk/history/historic_figures/halley_edmond.shtml
http://www-groups.dcs.st-and.ac.uk/history/Biographies/Halley.html
http://messier.seds.org/xtra/Bios/halley.html
http://www.ianridpath.com/halley/halley3.htm
http://galileo.rice.edu/Catalog/NewFiles/halley.html
http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/edmond_halley.html
http://www.britannica.com/EBchecked/topic/252812/Edmond-Halley
http://space.about.com/cs/astronomerbios/a/edmundhalley.htm
Book
http://www.amazon.com/Edmond-Halley-Charting-Heavens-Seas/dp/0198500319
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