The National Indian Gaming Association (NIGA) files document NIGA’s efforts to protect Native American rights through policy-making and the regulation of Native American gaming enterprises. The materials date from 1993 to 2014, with the bulk of materials dating from 1997 to 2001. Materials include research and publications, materials about the Enzi Amendment, and materials about gaming classifications collected by Katherine Spilde while she worked for NIGA. Also included are reports, directories, memos, correspondence, press releases, congressional records, testimonies, interviews, notes, journal articles, photographs, video recordings of NIGA hearings, promotional materials, and newspaper articles.