The Charles Gustave Larson papers (1948 and undated) consist of genealogical materials, family ledger, correspondence, news clippings, and a biography of Larson by Erma and Carol Lowry. Larson immigrated Grantsville, Utah in 1875 and he served a mission for the Church of Jesus Christ of Latter-day Saints (LDS) to the Southern States in 1899.

The William "Bill" Gustave Larson papers (1890-1995) consist of correspondence, certificates, awards, news clippings and other materials. The collection also contains materials regarding Charles G. Larson and writings by others. Larson was a member of the Utah House of Representatives and was instrumental in the organization of the Metro Salt Lake Committee on Aging.