A handbook covering basic principles and recent research in alloy physics, edited by Wolfgang Pfeiler and published by Wiley (2007).

An interactive chart of all known nuclides (nuclear isotopes), with data on specific nuclides. From Brookhaven National Laboratory.

A very easy-to-use comprehensive source of United States patents.

Online access to a standard compilation of authoritative data. Includes searching by chemical structure, using a Java applet.

Extensive tabular data on x-rays for researchers in all fields, this handbook is edited by Günter Zschornack and published by Springer-Verlag (2006)

Critically reviewed data from the National Institute of Standards and Technology (NIST) for atomic, molecular, nuclear, radiation dosimitry, x-ray and gamma ray data, and physical constants.

Authoritative, criticallty-reviewed compilation of current data on elementary particle physics

92 chapters on the principal ideas, techniques, and results in the field; edited by Gordon W. F. Drake and published by Springer-Verlag in 2006.

Authoritative information on candidate extrasolar planets, current search programs, meetings, theory, extrasolar life, etc. Includes links to articles.

Traces the professional genealogies of physicists, particularly in high-energy physics.

US government data on energy resources, usage, forecasts.