Graphical User Interface Gallery:
Shows the history of graphical user interfaces with a GUI timeline,
screenshots and downloads.
http://pla-netx.com/linebackn/guis/
History of the AmigaOS GUI:
Dedicated to the preservation and restoration of the Amiga
Workbench's history.
http://www.gregdonner.org/workbench/
Operating Systems History:
A Brief History of Computer Operating Systems from the mid 1950s on.
http://www.cs.gordon.edu/courses/cs322/lectures/history.html
