Research Papers in Physics
CERN Document Server
Monthly listings from 1994 onwards of preprints from CERN.
Fermilabs: Preprints, Theses and Proposals
Fermilabs documents since 1970.
LANL e-print Server
Huge online archive allowing you to read research papers from many areas of physics.
Mathematical Physics Preprint Archive
This archive of author-deposited preprints goes back to 1990.
Simultaneous searching of several physics research databases.
Particle Physics Review
An independent on-line review service for preprints in experimental and theoretical HEP and cosmology.
PhysDoc: Physics Documents Worldwide
Search for distributed documents at European & US Physics Departments.
Preprints issued at ICTP
Searchable database of theoretical physics preprints.
SLAC HEP Database
Hundreds of thousands of high-energy physics related articles received by the SLAC and/or DESY libraries since 1974.
Find article titles from a database of thousands of journals and magazines. Search for free, but they also have a paid delivery service.