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Sketchpad - Wikipedia
Sketchpad - Draw, Create, Share!
Sketchpad | Interactive Drawing, Vector Graphics & CAD
The History of the Sketchpad Computer Program – A Complete …
NIHF Inductee Ivan Sutherland Invented the Digital Drawing Tablet
Sketchpad, by Dr. Ivan Sutherland with comments by Alan Kay
Sketchpad (1963) 1 of 3 - Intro and Interview : MIT - Archive.org
Sketchpad - The History of Computing
The Groundbreaking Innovation of Ivan Sutherland‘s Sketchpad …
January 7: Ivan Sutherland Introduces the Sketchpad | This Day …