The International Finance Corporation (IFC)
This brief case gives you the opportunity to research the activities of the IFC. www.ifc.org/corporategovernance  

Cross directorships in Saint-Gobain SA
A French example of significant cross-directorships
www.saint-gobain.com/ (in French)
Click on 'relations investisseurs' and 'gouvernement d'enterprise'

The removal of directors in Trans-Tec Ltd.
This is an actual case and serves to illustrate the duties and powers of company regulators and the courts to supervise the governance of companies.  There are a number of companies called TransTec around the world, so if searching for more information Google on 'TransTec british engineering company'.
http://news.bbc.co.uk/1/hi/uk_politics/617981.stm
http://business.timesonline.co.uk/tol/business/industry_sectors/banking_and_finance/article3981017.ece

Marks and Spencer - the case of combining the roles of Chairman/CEO
Google on 'Marks and Spencer corporate governance'

Vodafone Mannesmann
www.eurofound.europa.eu/eiro/1999/11/feature/de9911220f.htm
www.vodafone.com/start/investor_relations/shareholder_services/faq/mannesmann.html
http://news.bbc.co.uk/1/hi/business/621222.stm

Board architecture at Arcelor Mittal
www.arcelormittal.com click on 'corporate responsibility' and 'investors and shareholders'
www.businessweek.com/magazine/content/07_16/b4030001.htm
http://finance.yahoo.com/q?s=MT

Volkswagen’s supervisory board
www.volkswagenag.com
www.volkswagenag.com/vwag/vwcorp/content/en/investor_relations/corporate_governance.html   

The collapse of Arthur Andersen
www.commondreams.org/views02/0712-02.htm
http://news.bbc.co.uk/1/hi/business/2047122.stm
- and see what happens on www.andersen.com/

BP and the retirement of the chief executive
www.marketwatch.com/news/story/bp-ceo-browne-step-down/story.aspx?guid=%7B71E39AC1-3276-4A8D-8FD3-A853ECE49474%7D  
www.cbc.ca/money/story/2007/05/01/bpceoscandal.html