Electronic Sources:

File:///A|/mechanical.htm

http://comptonsv3.web.aol.com/search/fastweb?getdoc+viewcomptons+A+1658+f++calculators

http://comptonsv3.web.aol.com/search/fastweb?getdoc+viewcomptons+A+6366++webster

Books:

Jones, Charlotte Foltz. Post-it Notes. Mistakes that Worked. Ed. John O’Brien. New York, N.Y. Delacorte Press 1953, 1991

Reid, T.R. “Computers and Chips” Inventors and Discoverers Ed. Elizabeth L. Newhouse pp. 253-272

Wuffson, Don L. “The Alphabet” The Inventions of Ordinary Things. New York, NY 1981. Pp. 35-38

Wulffson, Don L. “Books” The Inventions of Ordinary Things. New York, New York1981 pp. 72-77

Wulffson, Don L. “Paper” The Invention of Ordinary Things. Ed. New York, New York 1981 pp. 52-55

Wulffson, Don L. “The Pencil” The Invention of Ordinary Things. Ed. New York, New York 1981 pp. 60-65

MaCala, David.  "The Way Things Work" Bost, MA Hough Mifflen, 1988.