Robert Williams Killed by Robot (sources)
- "Jan. 25, 1979: Robot Kills Human," by David Kravets, article in the Wired website, posted 1-25-2010, viewed 4-26-2015. Online at: http://www.wired.com/2010/01/0125robot-kills-worker/
- "Kenji Urada," article in the Wikipedia website, viewed 4-26-2015. Online at: http://en.wikipedia.org/wiki/Kenji_Urada
- "Robot-caused death suit settled," article in the Nevada Daily Mail, newspaper of Nevada, Missouri, USA, January 13, 1984. Online at: https://news.google.com/newspapers?nid=1908&dat=19840113&id=75cfAAAAIBAJ&sjid=VdQEAAAAIBAJ&pg=5235,1166024&hl=en
- "Robot Death Suit Settled," article in Sarasota Herald Tribune, newspaper of Sarasota, Florida, USA, Saturday, January 14, 1984. Pg. 13-A. Online at: https://news.google.com/newspapers?nid=1755&dat=19840114&id=Qm4fAAAAIBAJ&sjid=mGgEAAAAIBAJ&pg=3846,2531735&hl=en
- "Robot Victim," article in the Ludington Daily News, newspaper of Ludington, Michigan, USA, August 6, 1983. Online at: https://news.google.com/newspapers?nid=110&dat=19630806&id=WalaAAAAIBAJ&sjid=dksDAAAAIBAJ&pg=3239,6675036&hl=en