http://www.huffingtonpost.com/2014/07/01/robin-williams-rehab_n_5548396.html

http://variety.com/2014/tv/news/comic-relief-campaign-was-more-than-photo-op-for-robin-williams-1201282307/

http://en.m.wikipedia.org/wiki/Robin_Williams

http://www.biography.com/people/robin-williams-9532797

http://www.newsday.com/entertainment/celebrities/robin-williams-in-rehab-to-work-on-continued-commitment-to-staying-sober-1.8631341

http://theweek.com/speedreads/448245/jimmy-fallon-honors-robin-williams-spoton-impersonation-vintage-clip

http://theconcourse.deadspin.com/conan-obrien-found-out-about-robin-williamss-death-duri-1619916339

http://www.cnn.com/2014/08/19/showbiz/tv/david-letterman-robin-williams-tribute/