Organizational records (1960-2021) sub-series contains meeting notes, correspondence, conference programs, research files, and financial records from von Till Warren’s involvement in various organizations. The Nevada Humanities Committee, Friends of Nevada Wilderness, Clark County Comprehensive Planning, the National Trust for Historic Preservation (NTHP), Preservation Association of Clark County (PACC), and Soroptimist International are represented. There is also overlap with organizations such as the GCAC and GHS.

The Harvard Project on American Indian Economic Development (HPAIED) files document the HPAIED’s efforts to research the socioeconomic impacts of Native American gaming from 1990 to 2010, with the bulk of materials dating from 2000 to 2005. The materials in this subseries document Dr. Spilde’s research while working for the HPAIED, offering valuable insight into the administration of the organization. The subseries includes materials collected by Dr. Spilde about HPAIED, the ᏣᎳᎩᎯ ᎠᏰᎵ (Cherokee Nation), the Choctaw Nation of Oklahoma, and the Mvskoke (Muscogee [Creek] Nation). Also included are socioeconomic reports, NIGA reports, site visit reports, notes, HPAIED studies, essays, “Honoring Nations” HPAIED awards program materials, Harvard University promotional materials, research proposals, Oklahoma Indian Gaming Association materials, census data, bibliographies, informational booklets and packets, conference materials, and newspaper articles.