Rendering HTML via XSLT with multiple source XML docum

I've been working with XSLT files for a short while creating simple html
applications such as maintaining glossaries of terms in XML and
rendering them via XSLT to .html pages.  I've now been assigned a task
that requires an html page to be created from multiple XML sources of
different information.  

Can anyone provide me with a simple explanation, or a good web
reference, that summarizes how a single XSLT can be used to create
static HTML pages utilizing multiple source XML files of different types
of information.  Do any of the XSL editing tools on the market support
this feature?


Thanks!


Brian Magick


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list