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.
http://library.gsfc.nasa.gov

Fermilab Information Resources Department

Searchable index of physics preprints available for download in PDF format.
http://fnalpubs.fnal.gov/

Cold Regions Research and Engineering Laboratory Library

Access to the online catalog, reports and products from the laboratory, and resources on cold regions. A US Army Corps of Engineers facility.
http://www.crrel.usace.army.mil/library/

Science Reading Room (Library of Congress)

The principal reading room for study in the areas of science, technology, technical reports,and standards.
http://lcweb.loc.gov/rr/scitech/

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.
https://rsic.redstone.army.mil/

Sandia National Laboratories Technical Library

Catalog, collections information, and library services.
http://infoserve.sandia.gov/

Brookhaven National Laboratory Research Library

Offers various electronic resources related to the Department of Energy's research in pure sciences, including full-text publications.
http://www.bnl.gov/isd/reslib/

Lawrence Livermore National Labs Library

Access to the online catalog, Documents Online, and Science and Technology Review.
http://www.llnl.gov/library/index.html

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.
http://www-library.lbl.gov/teid/tmLib/aboutus/LibDefault.htm

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.
http://www.ornl.gov/info/library/

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.
http://library.lanl.gov/