Gtk-XEmacs - Towards a GUI XEmacs
   Original project page; has since been merged into XEmacs. Project to replace the existing toolbar/menubar/scrollbar implementation of XEmacs with a modern toolkit (Gtk). It will also allow manipulation of the widget set directly from Emacs Lisp.
   http://www.cs.indiana.edu/elisp/gui-xemacs/

Robin S. Socha's XEmacs Settings
   Suggestions how to make XEmacs look different compared to the standard distribution.
   http://socha.net/XEmacs/

The Emacs Schism
   How XEmacs (Lucid Emacs as was) came about, by Jamie Zawinski: '[t]his incident has become famous as one of the most significant "forks" in a free software code base'. Edited Highlights of mail-lists as events unfolded.
   http://www.jwz.org/doc/lemacs.html

XEmacs Editor FAQ
   Frequently Asked Questions about XEmacs.
   http://www.xemacs.org/faq/xemacs-faq.html