R.T.C.M. 
4-21-99 Posted HLP file. DUKEHLP.HLP (buildhlp.zip)
4-22-2014 Posted HLP Convered to HTML file. (DUKEHLP_HTML.zip)
5-31-2026 Posted (TYLER_(CD-ROM).zip) - These are a partial web site of Ty's Build Editor FAQ, retrieved 8-1-1996 for the Walnut Creek October 1996 CD, tiled, Toolkit for Duke Nukem. Ty indicated he had updated his FAQ (web site) several times afterwards...