Priestley, Joseph
http://dewey.library.upenn.edu/sceti/printedbooksNew/index.cfm?textID=priestley_disq_sel&PagePosition=1 (Rank: 1943868)
http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Priestley-1772/Priestley-1772-Start.html (Rank: 1946210)
http://webserver.lemoyne.edu/faculty/giunta/phlogiston.html (Rank: 2288820)
http://www.positiveatheism.org/hist/jeff1120.htm (Rank: 2336493)
http://www.chemheritage.org/classroom/chemach/forerunners/priestley.html (Rank: 2387926)
http://www.historyguide.org/intellect/priestley.html (Rank: 2403953)