HISTORY OF COMPUTING

 
http://www.tc.umn.edu/~tmisa/biblios/hist_computing.html

http://trillian.randomstuff.org.uk/~stephen/history/timeline.html

 http://www.eingang.org/Lecture/neumann.html
 http://www.eingang.org/Lecture/

http://www.computerhistory.org/collections/

http://www.computerhistory.org/timeline/?year=1939