...
- preprint server arxiv.org: contains most articles written after ~1995 in astro-ph, hep-ph, hep-th, gr-qc,....
- astronomy and astrophysics preprints and articles on ADS
- high-energy physics literature database Inspire
- ??
- for catalogues and data:
a. particle data group PDG
b. the NASA Extragalactic Database (NED) contains info on extragalactic objects as well as tools coordinate converters, etc. )
c. Catalogue of TeV sources: TeVCat
- tools: Ed Wright's cosmology calculator CosmoCalc