HEPDATA http://durpdg.dur.ac.uk/HEPDATA/
High energy physics databases at Durham University (UK): reactions (cross-sections, structure functions), experiments, email addresses.
Particle Data Group http://www-pdg.lbl.gov/
An international collaboration that reviews particle physics and related areas of astrophysics, and compiles/analyzes data on particle properties.
The Particle Detector BriefBook http://www.cern.ch/RD11/rkb/titleD.html
A condensed handbook covering subjects around particle detectors, the underlying physics and the analysis of their data. Intended as introduction for newcomers and reference for physicists working in the field.
The Review of Particle Physics http://www-spires.dur.ac.uk/HEPDATA/PART/
An international collaboration that reviews Particle Physics and related areas of Astrophysics, and compiles and analyzes data on particle properties. Often cited publication in particle physics during the last decade.