Atomic Structure, X-ray Physics and Radiation Detection.- X-Ray Physics and Practice.- Physical Fundamentals.- Energy and Intensity Measurements.- Data Base.- X-Ray Reference Data.- X-Ray Emission Lines and Atomic Level Characteristics.- X-Ray Transition Energies: Ordered by Energy/Wavelength.- K-Shell Intensity Ratios and K-Vacancy Decay Rates.- Atomic Scattering Factors.- Analytical approximation of Atomic Scattering Factors.- Mass Attenuation Coefficients for Selected X-Ray Transitions of Elements up to Plutonium.- Fit Parameters for the Calculation of Mass Attenuation Coefficients.- Atomic Weights and Isotope Masses.- Parameters of Stable Isotopes.- Parameters of Long-Live Radioactive Isotopes.- Mean X-Ray Transition Energies.