Extraordinary' Microsoft engineer Charles Thacker, who inspired the PC revolution, dies at 74 | The Seattle Times
Stonehenge of PC design, Xerox Alto, turns 50 this month • The Register
The Humble Computer Mouse Turns 40 Years Old Today | Digital Trends
Xerox Alto: Everything You Need to Know - History-Computer
History of the graphical user interface - Wikipedia
Y Combinator's Xerox Alto: restoring the legendary 1970s GUI computer | Ars Technica
Apple LISA-1, 1983 - May 25, 2013 | Auction Team Breker in Germany
How the Graphical User Interface Was Invented - IEEE Spectrum
File:Xerox Alto I (1973) workstation console (606x808 pixel bitmap display, keyboard, 5-key chorded keyboard, and 3-button mouse) - Computer History Museum (2007-11-10 23.09.48 by Carlo Nardone).jpg - Wikimedia Commons
Computer mouse - Wikipedia
How to avoid the 'competency trap' - BBC Worklife
Xerox Alto - CHM Revolution
Xerox Alto: Everything You Need to Know - History-Computer
Computer mouse - Wikipedia
Xerox Alto,1973. First computer to use the desktop metaphor and mouse-driven graphical user interface (GUI). | Oude computers, Computer
Xerox Alto - Wikipedia
THE MARKET OF THE MIND
The first GUIs
The first GUIs
Did You Know the First Computer Mouse Was Wooden? Here's the Story of the Mouse of Douglas Engelbart ~ Vintage Everyday
Retromobe - retro mobile phones and other gadgets: Xerox Alto (1973)
1984 | Timeline of Computer History | Computer History Museum
A History of the GUI | Ars Technica
Gui - graphical User Interface, its history and more | iGotOffer
How the Graphical User Interface Was Invented - IEEE Spectrum
How did the original Macintosh compare to the Xerox Alto? - Quora
