DOM Reference, Microsoft XML Core Services (MSXML) 4.0, by Microsoft Corporation. Online documentation included as part of the MSXML SDK. Available online at http://msdn.microsoft.com/xml.
XML Path Language (XPath), Version 1.0, W3C Consortium Recommendation. Available online at www.w3.org/TR/1999/REC-xpath-19991116.
XSL-List listserv, an open forum on XSL hosted by Mulberry Technologies. Subscription instructions available online at www.mulberrytech.com/xsl/xsl-list/. This list is a good place to find solutions for specific XSLT problems, but the message traffic can be a bit overwhelming and it covers a lot more than just XSLT. See the URL listed above for further information and instructions for subscribing.
Suggestions for books on XSLT are available from my Web site at www.rawlinsecconsulting.com.
More examples: Nearly all the examples in this chapter dealt with very small snippets of source documents and small stylesheets. To see some more comprehensive examples of stylesheets that transform typical documents such as purchase orders and invoices, visit my Web site.