Useful HEP references

• Preprint database.
• FreeHEP software and information about software which is useful in High Energy Physics and related fields
• Particle Data Book (Login: PDG_PUBLIC) and also similar thing in UK (Login: PDG, Password: hepdata) but less friendly.

Other High Energy Physics Institutions:

• CERN near Geneva, at the border of Switzerland and France.
• SLAC
• Fermilab
• DESY in Hamburg, Germany.