WSDL Resources
WSDL tutorial
http://www.w3schools.com/wsdl/
SOAP tutorial
http://www.w3schools.com/soap/
Using SOAP in WSDL Application
http://www.ibm.com/
Developing SOAP client in ASP.net
http://bytes.com/topic/
http://www.velocityreviews.
http://blogs.msdn.com/
Sample Web services to develop applications
http://webservices.seekda.com
http://www.webservicex.com/