Series of concise letters between Nava and virrey covering granting of travel allowance to Garibay, inauguration of diputacion de Mineria, retirement of Arce, granting of military escort to Leon for conducting of botanical studies in Sonora, moving of bishopric of Nuevo Leon to Monterrey, establishment of presidio at San Fernando, collection of Alcavala, and transfer of Vial from Nueva Mexico to Luisiana. (A. Tukey, August 1988)

Letter to viceroy with account by Gallardo of exploration in California, pacification of Indians, discovery of los Angeles bay, establishment and construction of Santa Gertrudis mission; his return and imprisonment by capitan of garrison in conjunction with two missionaries and his ruin when captain of garrison stole his papers and wife's jewelry; missionaries promised him death if truth was ever known. Includes detailed ethnography of area explored with accounts of richness to be found in water, pasture and fertile lands. (A. Dell'acqua, November 1987)

Documents pertaining to naming of engineers and instructions on how to achieve goals of expeditions to Nueva Vizcaya and Sonora. Planning and settlement of port of Guaymas and Rio Yaqui as Principal areas for commerce and trade. Conquest thru war and pacification of Seris and Pimas Altos; detailed ethnography. After achieving these goals expedition to resume exploration up Rio Gila establishing town on banks preferably near Colorado River to serve as capital of Gila province; study natural resources in detail; find mines and other natural riches to attract settlers; wage war against Apaches to secure lands and make possible fluvial navigation. Area should serve as protection to other settlements to east and south of province. Letters about arrival of visitador general Galvez to Sonora on his way to California. (A. Dell'acqua, November 1987)

Letters from Cancio to viceroy regarding exploration of site and harbors in Guaymas to establish best location to erect port and barracks for military personnel. Cancio accompanied by governor. (A. Dell'acqua, February 1988)

Testimony given by Felipe de Mendoza to Gregorio de Salinas Varona concerning Mendoza's wanderings through present-day Texas. (J. H. Ochs, April 1987)

Gregorio Salinas de Varona's recollections concerning explorations of Texas conducted under his command in 1689 and 1691. (J. H. Ochs, April, 1987)

(J. Hiller, October 1988)

Eliza, comandante de Marina de San Blas requests 10 soldiers to augment Arsenal guard, plus troops for expedition to Nootka. Virrey accedes to request. (J. H. Ochs, July 1988)

Series of documents related to building repair; contraband through San Blas; money shipment through San Blas; re-enlistment of teniente Murga; solicitation of priest to San Blas; request for collected alms; reinstatement of Former tax collector of San Blas; surgeon from San Blas sent to Habana; certification request from Villiano de Aguirre for trip to Nootka; account given for expedition to Cavite with Capellan Villaverde; and Salinas stores restoration. (M. Marroquin, June 1988)