Collection contains correspondence, expense books, and legal documents of Augusta and Charles Probst. It includes documentation of Augusta (Mecke) Probst's properties in Rüdershausen, Germany, and records of their Santa Fe, New Mexico, businesses. Miscellaneouls items include two 1940s photo negatives of a Santa Fe building

This collection is comprised of business and private papers pertaining to Abram Contreras, Felipe Peralta, Emiliano Contreras and their relatives who resided in Socorro County, central New Mexico, in the late 1800s and early 1900s.

This collection contains the letterpress book of Solomon Luna and Co., as well as biographical material concerning Solomon Luna, New Mexican politician, sheep baron, and businessman.

Collection contains correspondence, financial papers, educational items, and legal documents pertaining to Vincente M. Baca and his family.