The Serial Set is a compilation of U.S. Congressional publications published by the U.S. Senate and the U.S. House of Representatives about the bills and resolutions involved in lawmaking. It also includes reports of executive departments, government-funded institutions, and other independent organizations.

The Code of Federal Regulations Title 25 contains the codified Federal laws and regulations that are in effect as of the date of the publication pertaining to American Indians (Native Americans), including Indian gaming /casinos, native arts and crafts, education and health.

From govinfo.gov

"Mapping American Indian Constitutions and Legal Materials" and links to other resources, developed by the Library of Congress

Resources for researching Indian Law - by topic

Find tribal law materials by tribe.

The Tribal Court Clearinghouse is a comprehensive website established in June 1997 to serve as a resource for American Indian and Alaska Native Nations, American Indian and Alaska Native people, tribal justice systems, victims services providers, tribal service providers, and others involved in the improvement of justice in Indian country.

The Tribal Law and Policy Institute (TLPI) is a 100% Native American operated non-profit corporation organized to design and deliver education, research, training, and technical assistance programs which promote the enhancement of justice in Indian country and the health, well-being, and culture of Native peoples.

From the Oklahoma State University Library, this database includes the full text of “Indian Affairs: Laws and Treaties” Volumes I-VII