References

Famous Scientists. (n.d.). Science Blog RSS. Retrieved March 24, 2014, from http://www.famousscientists.org/william-harvey/

William Harvey. (n.d.). BBC News. Retrieved March 27, 2014, from http://www.bbc.co.uk/history/historic_figures/harvey_william.shtml

William Harvey. (2014, March 25). Wikipedia. Retrieved March 27, 2014, from http://en.wikipedia.org/wiki/William_Harvey