Originally Posted by ghostrider

This is also a good reference site for fusibles, interfacings and stabilizers. I'm posting separate links to each page, but you can easily get from one to the other without leaving the site.
http://www.susanbrittingham.com/fusible_web.html
http://www.susanbrittingham.com/interfacing.html
http://www.susanbrittingham.com/stabilizers.html