Java Enterprise Edition Blueprints
Sun Microsystems, Inc.
TheServerSide.com (J2EE news portal)
TechTarget
W3Schools (Web tutorials and references)
W3Schools
Java Skyline (J2EE news portal)
Skyline Software Systems
XML
W3C
XHTML
W3C
Document Object Model (DOM)
W3C
XSL
W3C
XPath
XPath 2.0
W3C XML Path Language
XForms
W3C XML Forms
XML.COM
O'Reilly & Associates
XML Zone
DevX
xmlhack.com
xmlhack
XML.ORG
OASIS