This collection includes 412 items related to the history of Rancho Sespe, near modern day Fillmore, California, dating from 1829 to 1944, and including a manuscript of the history of the Rancho by E.M. Sheridan, as well as research notes, correspondence with historians, and copies of some legal documents of the Rancho's first owner, Carlos Antonio Carrillo, dating from 1829-1854.

Sespe is the name given to the area in the Santa Clara Valley of Ventura County near modern day Fillmore, California by indigenous inhabitants, allegedly by a tribe of that name. The first land owner of European descent was Carlos Antonio Carrillo. Carrillo gained ownership of the ranch after undergoing the Mexican Land Grant process from 1828 to 1834. Carrillo passed away in 1852 and for two years thereafter his brother Jose Antonio Carrillo underwent the process of proving to the State of California that Carlos Antonio was the legal owner of the Sespe Ranch. Thomas Wallace More bought the Sespe Ranch from the Probate court of Santa Barbara in 1854.

412 items in 1 flat-top box.

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