Most laws relating to Indians are codified in Title 25 of the United States Code. Earlier editions of 25 U.S.C. (1925-date) are available on HeinOnline.
Selected laws relating to Native Americans are listed by the Center for Regulatory Effectiveness.
HeinOnline's American Indian Law Collection (UW Law Restricted) has 26 legislative histories of federal Indian law statutes. Included are major laws such as:
See National Indian Law Library, Tools for Researching Federal Legislation and Legislative History Related to Indian Law.
Most federal regulations relating to Indians are in title 25 of the Code of Federal Regulations.
Earlier editions of 25 C.F.R. (1938-date) available on HeinOnline (UW restricted).