The following Reference books appear in various Duke Libraries.
Dictionary of Ethics, Thelogy and Society
Ref BJ63 .D45 1996 at Divinity, Lilly, and Perkins
Encyclopedia of business ethics and society
HF5387 .E53 2008 at Perkins and online
Encyclopedia of Ethics
Ref. BJ63 .E45 2001 at Divinity, Law, Lilly, and Perkins