Henry Draper
http://www.naic.edu/~gibson/draper/
http://seds.org/Messier/xtra/Bios/draper.html
http://www.daviddarling.info/encyclopedia/D/Draper_Henry.html
http://www.daviddarling.info/encyclopedia/H/Henry_Draper_Catalogue.html
http://www.saburchill.com/HOS/astronomy/033.html
http://en.wikipedia.org/wiki/Henry_Draper
http://adsabs.harvard.edu/full/1995A&AS..110..367N (Google Scholar)
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