National Agricultural Library - Part of the Agricultural Research Service of the US Department of Agriculture.

National Library of Education - US federal government's resource center for education information.

National Library of Medicine - US national provider of health-related library and information services.

The National Transportation Library - US repository for transportation information.

National Institutes of Health Library - Serving the US National Institutes of Health, with self-service access to others.

Herbert C. Hoover Building Library - Serving the US Department of Commerce.

US National Information Infrastructure Virtual Library - Access to documents and information for the US component of Global Inventory Project (GIP) and the international registry for the G8 Global for Small and Medium-Sized Enterprises (SME) Testbeds.

NIEHS Library - US National Institute of Environmental Health Sciences.

Central Agricultural Library of Germany - ZBL (Deutsche Zentralbibliothek für Landbauwissenschaften). Collecting and providing access to German national and international literature in the agricultural sciences.

Energy Library - US Department of Energy. Collections of former Atomic Energy Commission, Energy Research and Development Administration, and Federal Energy Administration.

Border Environment Cooperation Commission Library - Supporting the environmental infrastructure information needs of the BECC/COCEF in the Mexico/US border region. Site includes access to BECC library catalogs and online databases, library request services and manuals, links to other resources, and resources for children.