Documents concern: establishment of factory to build aomors; granting of passport for inventor Bertucat, to start working in armors' factory; Bertucat is releaved from his duties and a warrant for his arrest is issued. (J. M. Marroquin. October 1988)

Various letters to and from viceroy, governor and various officers requesting promotions, explorations, sickness, other everyday occurrences in Sonora. Ethnography of disease described by doctor in letters in French and Spanish to Laporte. (A. Dell'acqua, October 1987)

Documents detailing exploration of California, foundation of San Diego and health problems with maritime personnel. Rolls of persons that died in expedition and survivors is given. Governor Portola decides to continue expedition to Monterrey by land due to poor condition of sailing personnel. (A. Dell'acqua, October 1987)

Document between Belena and viceroy in which Belena advises viceroy about orders issued by Galvez to send all gold and silver to Guaymas to be utilized to pay for expedition to California, also, request by Belena to travel to Spain due to death of Father. (A. Dell'acqua, may 1988)

Documents between Belena an viceroy regarding various issues in provinces of Sinaloa and Sonora of which inspecting of mines to control usage of gunpowder was primary issue. Also, establishment of official selling of gunpowder, tobacco and playing cards was achieved. Belena also established site for a Caja Marca due to discovery of gold in Sinaloa to assure royal fifth and usage of this monies to pay for expedition to California by visitador Galvez, purchasing and transportation of corn for presidios and families being established in such presidios. Also, documents regarding attacks by Pimas to towns and ranches, Belena gathers a small army to punish perpetrators. Curious documents regarding expedition to California of French scientists to study the Passage of venus and the sun (eclipse?). (A. Dell'acqua, may 1988)

Congratulatory letter to viceroy Galvez by gandorilla giving him an ethnographic and historical explanation of provinces of Sonora and Hostimuri including plans for better management of Indians, lands, cattle, grains and transportation routes. (A. Dell'acqua, December 1987)

Correspondence between Hijosa and viceroy regarding various Tepic with problems about requisition of foodstuffs, weapons, horses, payment of salaries, advances of salaries, preparation of maritime transport to Guaymas from San Blas and other details about personnel involved. Reference about indios marineros used as crew. Hijosa also questions naming of Capellan Cienfuegos to expedition prefering priest for port of San Blas to be permanent there. Accuses new missionaries of being negligent and mercenary toward commercialization and not caring for people. Viceroy orders necessary help for Jesuits being transported to Guadalaxara including 15 from California under care of Alferez Fernandez and 50 from Sonora and Sinaloa under care of Cabeza de Vaca. Hijosa accuses pilot Solorzano and officers of inexperience, punishing one using stocks. Disputes with comandante Rivero about breadmaker accusing Rivero of despotism. Other letter from viceroy about appointment by king of Abarca as standard bearer ordering him to be treated as an officer. (A. Dell'acqua, November 1987)

Instructions to comandante Estorgo from viceroy about details of expedition to Sonora and fronteras of Nueva Vizcaya; entails his taking command of ships made in Astillero Santiago to conduct troops of expedition by sea routes under command of Elizondo. Viceroy details chain of command, while in Sonora governor should be commander outside of province Elizondo would take over as commander followed by comandante Estorgo. (A. Dell'acqua, November 1987)

Correspondence between capitan Peiran and viceroy pertaining to accounts of maritime crossings to California and problems en route; sickness and death of personnel during trip. Letter from sargento Garcia to viceroy about transfer to another province. (A. Dell'acqua, November, 1987)

Correspondence between capitan Peiran and viceroy about state of troops; list of personnel in hospitals along route and in Guadalaxara; lists of personnel embarking for Californias. Letter from viceroy relieving Tordesillas as Capellan of fifteen Jesuits from California to Guadalaxara. Report of fighting among troops. (A. Dell'acqua, November 1987)