rdf - basic - Free
This page shows on how to refer to a .rdf file to get the search engine describe your resource.
CSS Multimedia Filters for IE5.5 Reference - 25USD
Free interactive reference, covering the usage of multimedia filters and transitions of the Cascading Style Sheets. Each filter is presented in complete details, features direct copy-and-paste source code and the transitions come with example script. CSS FILTERS REFERENCE 1.0 includes also links to CSS resource sites and cool and easy to use interface. Due to the nature of these filters and transitions they (as well as the reference itself) work with Microsoft Internet Explorer only. Preferably version 5.5 or higher. >