Various interesting links related to the class. Updated as time goes by.
A chart (634KB) that traces "the roots of computer languages through the ages."
Miller, G.A. (1956). The magical number seven, plus or minus two: Some limits on our capacity for processing information. Psychological Review, 63, 81- 97. [link]
Cowan, N. (2001) The Magical Number 4 in Short-term Memory: A Reconsideration of Mental Storage Capacity. [link]