The Goddard Library Information in engineering, space and physical sciences, and earth sciences. Go here for patent and standards information, web links, and government information.
Redstone Scientific Information Center A comprehensive scientific and technical library serving researchers and engineers at the U.S. Army Aviation and Missile Command, NASA Marshall Space Flight Center, and their contractors.
Lawrence Berkeley National Laboratory Library Part of the Technical and Electronic Information Department (TEID). The "pathfinders" section includes links to a wide range of information for chemistry, biology, physics, materials science, engineering, and so on.
Oak Ridge National Laboratory Research Libraries "Science & Technology Guides" on a wide range of topics, including consumer health, robotics, transportation, and pure sciences. Also, links to "Reference Resources" such as maps, patents, and conferences.
Los Alamos National Laboratory Research Library Provides research resources including journals, technical reports, conference proceedings, standards, and bibliographic databases. Includes resources developed by the Library Without Walls Project, which conducts digital library research and development.