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.

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.

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.

U.S. Department of the Interior Library
Focusing on the natural and social sciences; law; economics; management and use of natural and cultural resources; and the cultures and well-being of American Indians and Native Alaskans.

The National Transportation Library
US repository for transportation information.

LOREG - Local and Regional Government Library
Online library on local and regional democracy in Europe, including national laws and other official documents from European states and the Council of Europe.

Canada Instititue for Scientific and Technical Information
Canadian research library for science, technology, engineering, and medicine.

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