This manual sometimes refers to example files in the LispWorks library via a Lisp form like this:
(example-edit-file "editor/commands/space-show-arglist")
These examples are Lisp source files in your LispWorks installation under lib/7-0-0-0/examples/. You can simply evaluate the given form to view the example source file.
LispWorks Editor User Guide (Macintosh version) - 9 Dec 2014