Oxford University Press / Oxford Digital Reference Shelf.
Available online. (W&L subscription)
Five-volume set (2009) contains over 300 signed, alphabetically-arranged entries, providing "situation profiles and full coverage of the development of the movement, historical cases of abuse, the key figures, major organizations, and a range of other issues in economics, government, religion, and journalism that touch on human rights theory and practice."
Links will be maintained in several locations in the library Web site, including this subject listing.