Santa Clara University

The Bancroft Library:  One of the most extensive collections of primary documents and secondary sources on the history and culture of California, the Southwest, and Mexico.

Earth Sciences and Map Library at UC Berkeley:  A searchable collection of digitized maps.

The Huntington Library:  A very extensive collection of primary documents and secondary sources on the history and culture of California.

Instituto de Investigaciones Historicas, Universidad Autonoma de Mexico [Mexico City]:  Excellent collection of Mexican history including colonial period.

Santa Barbara Mission Archive-Library:  The most extensive repository of mission-era primary documents.

Santa Clara University: The online card catalogue of Santa Clara University. Materials from the University Archives and special collections are included in the catalogue.

University of Arizona: An extensive collection of materials relatiing to Arizona, the Southwest and borderlands.

University of California: The online card catalogue of the University of California system. Many manuscripts collections at UC campuses can be accessed through this catalogue.

University of New Mexico: An extensive collection of materials relating to New Mexico, the Southwest and borderlands.

University of Texas: An extensive collection of materials relating to Texas, the Southwest and borderlands. See espacially The Nettie Lee Benson Lation American Collection