Series I: The Henry Schnautz letters and correspondence collection includes one archival series, “Henry Schnautz Incoming letters from Eve Ball.” Materials found in Series 1 include seventy-six (76) letters, as well as photographs and newspaper clippings, from Eve Ball to Henry Schnautz. Letters discuss Schnautz’s art work, life on the Apache reservation, activities in New Mexico, and Eve Ball’s work.

The collection contains letters mainly from Eve Ball to Barbara and Kenneth Ogilvie, spanning the years 1972 to 1984. Topics are mostly about life and health updates, though some content discusses Eve's publications and research on Native Americans. Collection also includes envelopes, clippings, and four color slide photographs of Eve Ball's home. Includes an April 1984 newsletter from the Lincoln County Historical Society.

A collection of correspondence from Eve Ball to Henry Shcnautz from 1965-1980, discussing personal dealings, assosciations, and the affairs of the Mescalero Apache Tribe, with whom Ball was closely assosciated.