How to Steal Code or Inventing the Wheel Only Once, Henry Spencer, ftp://ftp.cs.toronto.edu/doc/programming/steal.ps.
Emacs The Extensible, Customizable Self-Documenting Display Editor, AI Memo 519a, Richard M. Stallman, ftp://publications.ai.mit.edu/classic-hits/AIM-519A.ps.
Smithsonian Institute interview with Seymour Cray, http://innovate.si.edu/history/cray/cray33.htm.
Xmotd home page, http://www.ee.ryerson.ca:8080/~elf/xmotd.html.