Web Sources
(1.)BBC History
(http://www.bbc.co.uk/history/historic_figures/snow_john.shtml)
(2.)BBC News
http://news.bbc.co.uk/2/hi/health/3632856.stm
(3.) John Snow Society
http://www.johnsnowsociety.org/johnsnow/facts.html
(http://www.bbc.co.uk/history/historic_figures/snow_john.shtml)
(2.)BBC News
http://news.bbc.co.uk/2/hi/health/3632856.stm
(3.) John Snow Society
http://www.johnsnowsociety.org/johnsnow/facts.html
Pictures
Monash University
http://www.csse.monash.edu.au/~cema/courses/FIT3084/images/lect6/choleraSnowMap.gif
http://www.csse.monash.edu.au/~cema/courses/FIT3084/images/lect6/choleraSnowMap.gif
HealthyState.org
http://healthystate.org/wp-content/uploads/2010/11/cholera4.jpg
http://healthystate.org/wp-content/uploads/2010/11/cholera4.jpg
Videos
http://www.tubechop.com/watch/616941