There is a link following the phrase - Tribal Court Published Opinions and Ordinances can be found here, that provides further links to three folders: Appeals, Civil, and Juvenile that include opinions from the respective courts.
This link goes to the home page of the Ho-Chunk Judiciary. There are links on the left-side of the site and the bottome on the site that link to the Ho-Chunk Supreme Court and the Ho-Chunk Trial Court, respectively.
The Oneida Nation Judiciary site has links to opinions rendered by the Oneida Tribal Judicial System. Also included are links to Family Courts, Trial Courts and Oneida Nation Code of Laws (including a link to the Oneida Constitution).
Tribal Codes - Print
Tribal Codes (available in print at the MLIC NALC)