1. Shewhart WA. A Study of the Accelerated Motion of Small Drops Through a Viscous Medium. Lancaster, PA: Press of the New Era Printing Company; 1917. 433 p
2. Shewhart WA. Economic Control of Quality of Manufactured Product. New York: D. Van Nostrand Company. 1931. 501 p. ISBN: 0-87389-076-0
3. Shewhart WA. Statistical method from the viewpoint of quality control. Edwards Deming W, editor. Washington, DC: The Graduate School, the Department of Agriculture; 1939. 155 p. ISBN: 0-486-65232-7
4. http://www.york.ac.uk/depts/maths/histstat/people/shewhart.gif
5. http://www.fda.gov/oc/initiatives/criticalpath/stanski/stanski.html