There's a nice article in Salon about EWD and this site. (The Salon site charges admission, but by wading through some advertisements you can get a one-day free pass.)
The Wikipedia entry for EWD includes a short biography and many further links. There is also a list of quotations.
The Register Newsletter has a short obituary.
ACM reprinted EWD's letter, "A case against the go to statement", which was published under the title "Go To Statement Considered Harmful".
The UT CS Department's memorial celebration collection contains --in addition to much original material-- many interesting links to other sites.
F.E.J. Kruseman Aretz, "The Dijkstra-Zonneveld ALGOL 60 compiler for the Electrologica X1", historical note SEN-N0301, Centrum voor Wiskunde en Informatica, 30 June 2003 (suggested by Tristam Brelstaff, who notes that it explains the origin of EWD's beard).
The University of Klagenfurt maintains a virtual exhibition in memory of Ole-Johan Dahl, Edsger Dijkstra, and Kristen Nygaard.
Revised Sat, 22 Jul 2006