*{{cite book |author= Christopher Kilian |title= Modern Control Technology |publisher= Thompson Delmar Learning |year= 2005 |isbn=1-4018-5806-6 }}
* {{Cite book |publisher = IET |isbn = 978-0-86341-047-5 |last = Bennett |first = Stuart |title = A history of control engineering, 1800-1930 |date = June 1986}}
* {{Cite book |publisher = IET |isbn = 978-0-86341-299-8 |last = Bennett |first = Stuart |title = A history of control engineering, 1930-1955 |year = 1993 }}
*{{cite book |author= Arnold Zankl |title= Milestones in Automation: From the Transistor to the Digital Factory |publisher= Wiley-VCH |year= 2006 |isbn= 3-89578-259-9}}
{{commonscat|Control Systems}}
*[http://www-control.eng.cam.ac.uk/extras/Virtual_Library/Control_VL.html Control Labs Worldwide]