MetaLib

MetaLib is a federated search engine that searches multiple U.S. Federal government databases, retrieving reports, articles, and citations while providing direct links to selected resources available online. You can search in a variety of information resources, such as catalogs, reference databases, digital repositories, or subject-based Web gateways. These information resources can be local or remote. A search may be basic, advanced or expert.
Ernster, the Virtual Library Cat