Physics-Astronomy Library, University of California, Berkeley
        PrePrints, ePrints & Working Papers: what are they and where do you find them?
Preprints are manuscripts that may have been reviewed and accepted for publication; or may be in the process of being circulated for comment prior to publication. Preprints generated and circulated in electronic form are known as "e-prints".
This is a selected list of preprints, e-prints or working papers in astronomy, astrophysics, chemistry, nonlinear science, physics and more.

For off-campus access UC Berkeley faculty, registered students, and staff use the Proxy Server or the VPN.
Copyright Resources.

For additional help, please contact the Physics-Astronomy Librarian.
Compiled by Susan Koskinen, formerly Physics-Astronomy Librarian

ADS: Astrophysics Data System.
The SAO/NASA Astrophysics Data System (ADS) is a Digital Library portal, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant. ADS maintains three bibliographic databases: Astronomy and Astrophysics, Physics, and arXiv e-prints.
APS - American Physical Society -
Use APS is now providing content using RSS Feeds. ( see: RSS Readers. - [hosted and maintained at Cornell University Library]
an e-print service covering physics, astrophysics, mathematics, non-linear science, computer science, and quantitative biology. arXiv is owned, operated and funded by Cornell University Library and partially funded by the National Science Foundation. Use the E-Print Alert Service to automatically receive the latest information posted on arXiv and other related databases. > astro-ph  [Astrophysics]
e-prints on astrophysics, updated daily.
Astrophysical Journal - American Astronomical Society.
CERN - European Organization for Nuclear Research, in Switzerland and France
CERN Preprint & Document Server:
Chemical Physics Preprint Database (Brown University) Scroll down to "Preprint Access"
DESY (Deutsches Elektronen-Synchrotron, Hamburg, Germany) Preprints
Fermilab (Fermi National Accelerator Laboratory, Batavia, IL)
HEPDATA: The Durham HEP Databases
HEPIC: High Energy Physics Information Center.
HEPIC, catalogs HEP Resources throughout the world. HEPIC is funded by the Department of Energy Division of High Energy Physics and is supported by the Fermilab Computing Division.
ICTP - (Abdus Salam International Centre for Theoretical Physics, Trieste, Italy)
Preprints Issued at ICTP (1995-)
ICTP Preprint Archive (1964-2000)
IHES Preprints in Physics (Institut des Hautes Études Scientifiques, Bures-sur-Yvette, France) 
inSPIRE: HEP information system built by CERN, DESY, Fermilab and SLAC.
A collaboration of four labs, interacts closely with HEP publishers,, NASA-ADS, PDG, and other. Searches include HEP, experiments, institutions, and other.
IOP- Institute of Physics - e-printweb - has been built upon arXiv. It is updated daily and is open access.
Free registration allows use of personalization options, e-mail alerts, change settings and default views or use "My Eprints" to flag articles and use in personal view.
KISS - KEK Information Service System. (KEK High Energy Accelerator Research Organization, Tsukuba, Japan)
NRAO (National Radio Astronomy Observatory)
Preprints and Published Papers: Descriptions:
NRAO Full-Text Preprints:
NRAO RAPsheet:
Space Telescope Science Institute (STScI) STEPsheet
SPIRES HEP (High Energy Physics) Literature Database SLAC (Stanford Linear Accelerator Center)
Use PHYSICS-ASTRONOMY LIBRARY Article Databases to locate articles & proceedings on physics, astronomy, mathematics, engineering+
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