Jim Barry's Rexx Tutor - Base on author training course at Computer Associates Training centre in Slough. Rex Swain's REXX Summary - Summary of REXX Functions, Syntax, Symbols, Operators, and Instructions CGI Scripts in REXX and Perl - A guide by Les Cottrell. Kilowatt Software: Classic Rexx Tutorial - Detailed language introduction. SAA CPI REXX Level 2 Reference - Old manual defining Rexx in the context of Systems Application Architecture. Six Rules of Thumb for Rexx - This article gives six "rules of thumb" that should help get started in REXX if you already know C or Pascal (or, really, any of the children of Algol). IBM BookManager BookServer Library - All IBM Rexx manuals and redbooks.