The Georgetown library posts a good overview of Louisiana Louisiana Legal Resources. More links to government agencies, statutes, regulations, cases, etc. are available through FindLaw and WashLaw. Primary legal materials are also available from Lexis, Westlaw and Loislaw. Subscription services Versuslaw Fastcase have cases back to 1950; Google Scholar has cases back to 1950 for free.
Supreme and appellate court cases are reported in West's Southern Reporter.
To check the status of a pending bill, call the Louisiana Bill Information Office at 1-800-868-3178 (in state) or 225-342-2456 (out of state).
For an introduction to Louisiana legal research, see Louisiana Legal Research (Carolina Academic Press, 2009). For more extensive but less current discussions, see Win-Shin S. Chiang's Louisiana Legal Research (Butterworth Legal Publishers 2d, 1990), Kate Wallach's Louisiana Legal Research Manual (Louisiana State University Law School, Institute of Continuing Legal Education, 1972).
For Louisiana legislative history research, see Finding Louisiana Legislative History Materials by Charlene Cain at the LSU Law Library and/or Finding Louisiana Legislative History Materials by the Law Library of Louisiana.
For questions about and copies of Louisiana materials, contact the Law Library of Louisiana (504-310-2400), the Tulane Law Library (504-862-8872 reference; 504-865-5952 circulation) and/or the Law Library of Louisiana (800-820-3038 in Louisiana, or 504-310-2515 from everywhere else).