• http://www.softschools.com/timelines/television_timeline/31/

​

• http://www.datesandevents.org/events-timelines/08-television-invention-timeline.htm
   

• http://www.worldtelevisionday.tv/why-tv/
   

• https://www.livescience.com/52959-television-cognitive-function.html
   

• https://www.becomingminimalist.com/ten-reasons-to-watch-less-television/
   

• https://en.wikipedia.org/wiki/Television
   

• https://kwwl.com