Physical Review Letters Online - Full papers only available on subscription. However, abstracts of papers accessible by everybody.

Physical Review D, Journal - Particles, Fields, Gravitation and Cosmology. Full papers only available on subscription. However, abstracts of papers accessible by everybody.

arXiv e-Print Archive - Database of research paper preprints, hosted at Los Alamos National Laboratory.

Fermilab Preprints - Electronically available preprints and technical publications from Fermilab.

SPIRES HEP Database - Search more than 400000 high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses, received by the SLAC and/or DESY libraries since 1974.

The Journal of High Energy Physics (JHEP) - A refereed journal written, run, and distributed by electronic means.

KISS - KEK Information Service System; preprint database at KEK.

Beam Line - Quarterly periodical of particle physics, at SLAC.

CERN Document Server - More than 430,000 bibliographic records and 170,000 fulltext documents about CERN and high-energy physics. Covers preprints, books, periodicals, reports, photographs, and more.

Los Alamos Science - Journal that provides a forum for scientists and engineers at Los Alamos National Laboratory.

CERN Preprint Server - Preprints organized by month.

HEP Preprints - Links to preprint resources, at HEPIC.

Fields - Free comprehensive graduate textbook on quantum and classical field theory.

The Neutrino Oscillation Industry - A complete list of experiments studying neutrino oscillations

Particle Physics - Experimental endorsement and alerting service, lists preprints selected by experts; stopped updating in 1997. Also books for sale.

Physics Letters B - Nuclear Physics and Particle Physics, published by Elsevier Science. Papers available by subscription, table of contents accessible by everybody.