The Ruth Baldwin Collection consists of a variety of materials related to her life, interests, pursuits, community involvement and livelihoods from circa 1905 to the 1980s. The collection also contains materials from various other family members. The material includes some photographs and personal correspondence, but primarily Santa Cruz High School newsletters (The Trident), ephemera, and news clippings. Materials reflects her community involvement with the arts and music events, and the Santa Cruz County Historical Society.