Build Simple Asynchronous Pluggable Protocols for Windows
   How to use the REBOL scripting language to create a protocol that works similarly to the javascript:// protocol, compiling and evaluating arbitrary REBOL statements and displaying the results.
   http://www.devx.com/webdev/Article/17120

Ladislav Mecir's REBOL Articles
   Several excellent technical articles about functions, context and binding, and the REBOL interpreter. Also dialects and scripts.
   http://www.fm.vslib.cz/~ladislav/rebol/

Programming Languages and Computation Theory
   REBOL features in this course at Clarion University - includes a lex scanner and yacc parsers of the language.
   http://jupiter.clarion.edu/~rsmaby/cis460/

REBOL and RMAIL in Emacs
   By Sterling Newton. If you spend half your life in Emacs and deal with RMAIL then maybe this article can make your life a little better.
   http://npt.cc.rsu.ru/user/wanderer/ODP/REBOL_RMAIL/REBOL%20and%20RMAIL%20in%20Emacs.htm

Tail recursion in REBOL
   Proper tail recursion is unusually difficult to achieve in REBOL. Joe Marshall describes the problem and solution. From LL1: Lightweight Languages Workshop.
   http://ll1.ai.mit.edu/marshall.html