X-Ray WWW Server
- This is the repository of the COREX bibliography and database, the Henke atomic scattering factors, and other information of interest to x-ray spectroscopists. It provides links to additional locations for information about x-ray research.
- http://xray.uu.se/

IAEA Nuclear Data Services
- Provides access to databases, documents, programs and files. Maintained by the IAEA's Nuclear Data Centre.
- http://www-nds.iaea.org/

NIST Atomic Spectroscopic Database
- Critical compilation of atomic energy levels, wavelengths and transition probabilities from NIST, US.
- http://physics.nist.gov/cgi-bin/AtData/main_asd

Databases for Atomic and Plasma Physics
- Collection of several links to databases for atomic and plasma physics: opacities, atomic spectra, electron-impact ionization crosssections, electron binding energies, x-ray emission lines, photoionization, recombination, collisional ionization and autoio
- http://www.astro.spbu.ru/db_web/AtDatCent/DBfAPP.html

Atomic Data for Fusion
- The Controlled Fusion Atomic Data Center.
- http://www-cfadc.phy.ornl.gov/

X-Ray Interactions with Matter
- Atomic x-ray scattering factor files, x-ray properties of the elements and a calculator for synchrotron bent magnet radiation, published by the Center for X-Ray Optics at LBNL.
- http://www-cxro.lbl.gov/optical_constants/

X-Ray Absorption Coefficients
- Program to calculate X-ray absorption coefficients, also edge energies, fluorescence yield; MUCAL on the Web Mucal on the web.
- http://www.csrri.iit.edu/mucal.html

X-Ray & Gamma-Ray
- NIST Physical Reference Data, US.
- http://physics.nist.gov/PhysRefData/contents-xray.html

National Nuclear Data Center
- The National Nuclear Data Center (NNDC) is funded by the U.S. Department of Energy to provide information services in the fields of low and medium energy nuclear physics to users in the United States and Canada. In particular, the Center can provide inf
- http://www.nndc.bnl.gov/

Nuclear Data
- Los Alamos National Lab USA. Neutron, photon, electron, dosimetry, and thermal neutron S(alpha, beta) data libraries are provided for radiation transport codes.
- http://laws.lanl.gov/XCI/PROJECTS/DATA/nuclear/

Atomic Line List v2.01
- A compilation of approximately 890,000 allowed, intercombination and forbidden atomic transitions with wavelengths in the range from 0.5 Å to 1000 µm.
- http://www.pa.uky.edu/~peter/atomic/

Atomic Data for Astrophysics
- Photoionization; Recombination; Collisional ionization and autoionization; Charge transfer; Auger processes Energy levels, wavelengths, transition probabilities; Collision strengths, excitation rates; Stark broadening; Opacities; Fortran subroutines
- http://www.pa.uky.edu/~verner/atom.html

FUSE Atomic Data Page
- Provides atomic data (statistical weights, transition probablilities, and oscillator strengths) for elements Hydrogen (including Deuterium) up to Ge (atomic number 32), plus Tables of UV lines sorted by wavelength.
- http://violet.pha.jhu.edu/support/atomdata/atom.html

The IAEA Nuclear Data Guide
- Catalog of nuclear data information available - online or off-line - from the IAEA Nuclear Data Section.
- http://www-nds.iaea.org/indg_intro.html