Becker, L.C. and Becker, C.B. (eds.). 1992. Encyclopaedia of Ethics. London: St James Press. Referenced (often fairly detailed) summaries of just about every aspect of ethics by specialist contributors (in two volumes: A to K and L to W).

Werhane, P.H. and Freeman, R.E. (eds.). 1997. The Blackwell Encyclopedic Dictionary of Business Ethics. Brief, referenced summaries of issues from accounting ethics to worker safety by more than 250 (almost entirely American) contributors

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