Lexis Nexis AcademicGo to Business, then click Company Profiles, type the company's name in Company Name search, select Bankruptcy Reports from the Source dropdown menu, and click Search.
Capital IQ... mouse over the "Analytics and Targeting" tab, select "Screening" then "Companies." In section for "Corporate Actions" select "Bankruptcies." It also has SEC filings.
Researching Bankruptcies on the Web, a study guide from a competing B-school.
Bloomberg which is available in the Cutler Center. Type LAW .
Public Access to Court Electronic Records (PACER) service. Registration is required and there is a fee for documents retrieved. If all else fails, bankruptcy filings are often available through this service.