The United States Court of Appeals for the Fifth Circuit (504-310-7700) hears appeals from U.S. District Courts in Louisiana, Mississippi and Texas.
The Court posts Rules, Forms and other Documents, recordings of Oral Arguments. The Fifth Circuit Library (504-310-7797) posts civil and criminal Pattern Jury Instructions and an archive of internet pages cited in Fifth Circuit judicial opinions.
You can get Opinions free from from 1992 to the present on the Court's Opinion Page or the keyword search. Opinions are also available free from Google Scholar (1920s-present) and FindLaw (May 1994-present). For deeper databases, use Lexis or Westlaw.