the manuscripts of Edsger W. Dijkstra
URL: http://www.cs.utexas.edu/users/EWD/
Some very good reads... I suggest to browse through what's there and print a couple off, as they are all scanned copies of hand-written documents.
The fruits of misunderstanding: http://www.cs.utexas.edu/users/EWD/ewd08xx/EWD854.PDF
How these documents are numbered: http://www.cs.utexas.edu/users/EWD/ewd10xx/EWD1000.PDF