Add Relevant Documents from PDA Developers/Handheld Systems Journal

While researching the number of issues published for _PIE Developers_, _PDA Developers_, and _The Handheld Systems Journal_ magazines, I ran across this list of article excerpts in the Internet Archive.

Some excerpt are text only, others are PDF.

http://web.archive.org/web/19970710163742/http://www.cdpubs.com/excerpts.html
