"The term “preprint” most often refers to a manuscript that has gone through a peer-review process and now awaits publication in a traditional journal. A preprint accessible over the Web may also be referred to as an “e-print.”
CERN is the European Organization for Nuclear Research, located near Geneva Switzerland. CERN Document Server provides access to records of interest to people working in particle physics and related areas. It includes covers preprints, articles, books, journals, photographs, and more - including the full text of many items.
From Conseil Europen pour la Recherche Nuclaire (CERN)
Fermilab is a high-energy physics laboratory. This server provides related preprints and technical reports going back to 1970. Preprints can be browsed or searched by topic.
This is a WWW interface to KISS (KEK Information Service System - from Tsukuba, Japan) for Preprints including technical reports. KEK specializes in physics.
This database of High-Energy Physics research is based primarily on pre-prints but also links to the final journal article citation and full text when available.