Today's Wall Street Journal sports a special section on corporate governance and ethics at work. On the inside front page, Barry Mitnick, a professor at the University of Pittsburgh's Katz Graduate School of Business, offers a handful of useful ethics resources available online and otherwise: (Subscription required.)

• The Ethics Resource Center
• The Markkula Center for Applied Ethics
• Business Ethics
• The Aspen Institute
• Ethics Newsline
• AACSB International's Ethics Education Resource Center
• SOX-Online

What ethics resources and tools do you recommend?