The Alaska subject files include materials about the Native Village of Barrow Iñupiat Traditional Government, the Native Village of Venetie Tribal Government, and state-tribal relationships dating from approximately 1993 to 2001. The materials include reports, informational booklets and packets, memos, newspaper articles, and pamphlets. Although there are some chronological gaps in this subseries, and the materials only cover a small number of the Native American communities in Alaska, the materials provide a snapshot of the political stance of the state of Alaska toward indigenous communities at the time.

The California subject files include materials about California Native American communities and documents gaming and non-gaming topics (1908, 1974-2013). Materials include socioeconomic reports, tribal constitutions and amendments, tribal-state gaming compacts, informational booklets, Dr. Spilde’s photographs from research trips, court opinions, correspondence, video recordings of televised programs, promotional materials, newspaper articles, Native American community periodicals, and books about indigenous culture. The California subject files document various Native American communities, Native American culture and politics, and the regulation of gaming in California.

The Great Basin regional subject files include materials about Native American communities and gaming in Nevada, Utah, and Wyoming, dating from approximately 1990 to 2012. The materials include socioeconomic reports, annual reports, journal articles, periodicals, maps, Dr. Spilde’s research photographs, correspondence, and newspaper articles. The Great Basin subject files primarily document corporate casino enterprises on the Las Vegas Strip in Las Vegas, Nevada, but also document Native American casino gaming in the Great Basin. Additional information about Great Basin Native Americans can be found in the California subject files.

The Great Lakes regional subject files include materials about Native American communities and gaming in Indiana, Michigan, Minnesota, Ohio, and Wisconsin, dating from approximately 1989 to 2007. The materials include socioeconomic reports; tribal-state gaming compacts; tribal constitutions and amendments; photographs; maps; correspondence; video recordings of televised programs; newsletters; memos from the National Indian Gaming Commission (NIGC), Minnesota Indian Gaming Association (MIGA), National Indian Gaming Association (NIGA), and National Gambling Impact Study Commission (NGISC); informational booklets and packets; legal briefs; journal articles; Federal Register listings; guidebooks; directories; promotional materials; and newspaper articles.

The Great Lakes subseries focuses primarily on Native American casino gaming in Michigan, Minnesota, and Wisconsin, but also includes materials about Native American casino gaming in other states and Native American communities within the Great Lakes region. The subseries documents a number of Native American nations, particularly the various bands of the Minnesota Anishinaabeg (Minnesota Chippewa Tribe), Forest County Bodéwadmi (Forest County Potawatomi Community), and Ho-Chunk Nation of Wisconsin. Additional information about Great Lakes Native Americans can be found in the Plains subject files.

The Northeast regional subject files include materials about Native American communities and gaming in Connecticut, Delaware, Kentucky, Maine, Maryland, Massachusetts, New Jersey, New York, Pennsylvania, Rhode Island, Virginia, and West Virginia, dating from approximately 1974 to 2009. The materials include socioeconomic and annual reports; Federal Register entries; court opinions; testimony transcripts and letters from the National Gambling Impact Study Commission (NGISC); journal articles; photographs from research trips; book reviews; notes; casino profiles; informational packets and booklets; promotional materials; memos; and newspaper articles. The Northeast subseries focuses primarily on the Native American casino gaming enterprises of the Mashantucket Pequot Indian Tribe and the Mohegan Tribe of Indians.

The Northwest Coast regional subject files include materials about Native American communities and gaming in Washington and Oregon (1859, 1970, 1985-2007). The materials include socioeconomic reports, tribal-state gaming compacts, gaming ordinances, journal articles, court opinions, Dr. Spilde’s research photographs, newsletters, informational packets, promotional materials, materials on fishing rights, press releases, video recordings of televised programs, memos, and newspaper articles.

The Northwest Coast subject files focus primarily on Native American gaming and non-gaming topics in Washington State, but also covers the same issues to a lesser extent in Oregon. The materials document a number of Native American nations, particularly the Tulalip Tribes of Washington. The subject files contain materials about Native American community issues such as gaming, sovereignty, and hunting and fishing rights. Additional information about Northwest Coast Native Americans can be found in the Columbia Plateau subject files.

The Southeast regional subject files include materials about Native American communities and gaming in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, and Tennessee dating from approximately 1992 to 2007. The materials include socioeconomic reports, tribal constitutions, tribal-state gaming compacts, journal articles, court opinions, legal briefs, Dr. Spilde’s research photographs, correspondence, and newspaper articles. The Southeast series focuses primarily on gaming and non-gaming topics for Mississippi and Louisiana. Materials also document Native American communities, particularly the Mississippi Band of Choctaw Indians.