Concerning: visits to mines and mission at which Indians peacefully employed; testimonios about visits to mining region and particular mines, identifying those in area knowledgeable about minerals and mines, those considered 'peritos' (skilled laborers); information about mines gathered from conversations with 'veedores' (overseers) of mines, particularly concerning 'catas' (test pits) and location and size of any new 'vetas' (veins) found; spiritual education of Indians; sentencing of criminal (L. Kerr, October 1988)

Correspondence concerning observations made by Mariscal de Campo while visiting Villas in Nuevo Santander; comments on mines inspected in Tamaulipa, recommendations for various modifications in mining procedures and policies; Mariscal informs of illegally imported tobacco confiscated by his men; describes state of hacienda de Dolores where Indians receive little religious education, stresses need for such influence as well as for proper protection of Indians by all missions; itemizes taxes and other money collected at each town for real hacienda; Mariscal's companion in charge of 'repartimiento'; both men involved in selection of gobernador Interino. (L. Kerr, October 1988)

Letters from Palacios to virrey marques de Croix commenting upon impoverished state of Indians in region who have not been baptized, educated and employed; Palacio recommends support and protection of Indians to develop skills as laborers; also discusses mines discovered in region, problems involved in mining process and separation of minerals. (L. Kerr, October 1988)

Correspondence concerning: receipt of revistas; discovery of mines at San Nicolas; construction of mission; financial and administrative business, particularly regarding rentas; departure of ship bound for Spain carrying silver and fruit; search for pelicans per superior order of virrey, but response is that none were sighted; conflicts with many Indian groups, description of attacks on missions, haciendas, rancherias; who involved in military actions, whom killed, number of horses, mules killed or stolen by Indians; description of pursuit of Indians by military, efforts made to reduce population or to negotiate. (L. Kerr, September 1988)

Correspondence in which Ussel y Guimbarda communicates news governorship; drought occurring in Nuevo Leon, its detrimental effects on corn crop, cattle, squadron well-dressed thanks to Urresti, Siguis attacking frequently along Rio Blanco; Indians at missions in governor's charge behaving peacefully, converting, mine at Yguana producing, though silver scarcer, administrative problems at mine; establishment of British 'comercio' along coast; 'libretas de Vita et moribus' of presidio officers, Urresti, Martiarena, Queclas; inspection records of compania de dragones of same presidio; letters from virrey responding to those from governor and others. (L. Kerr, December 1988)

Correspondence in which Urresti communicates news worthy of virrey's attention, concerning missions under his command, at nearby mission, suspected by Urresti of only seeking relief from viral epidemic decimating nation, Piedracitos request same at other mission, duplicitous intentions suspected also, quiet, peaceful behavior of Indians at another mission noted, participation in 'cosecha de Frutos' also peaceful, military skirmishes along Rio Blanco involving Indians discussed, establishment of 'las Pazes' per virrey's 'mandato'; letters from virrey commenting on, commending, actions taken by Urresti, approving request by interim governor of Coahuila for 50 soldiers, ordering that silver, though in 'corta cantidad', continue to be mined at Yguana, informing of 'insultos' from siguis(?); letter concerning 'quadernos' containing information on Munoz y Villavicencio's conduct in office. (L. Kerr, December 1988)

Documents include signed testimonios from hacienda owners and administrators in Nuevo Leon promising to 'pasar el Correo' from hacienda to hacienda between Saltillo and San Luis Potosi, since pueblos so far apart, explanation by governor of how this would be accomplished; letters from governor informing virrey of provincial affairs, requesting assistance on certain matters, including civil military affairs, Indian relations, disappearance of squadron commander, problems created, regarding possible British invasion, collection of a new tax, that departure for 'Corte' and to visit various 'companias' delayed due to tertian fever and several relapses; copy of virrey's statement granting establishment of monthly 'correo' between Saltillo and San Luis Potosi. (L. Kerr, December 1988)

Correspondence concerning: statements summarizing testimony on various subjects; re-establishment of mission; problems created when pacified Indians subjected to 'revistas', order passed halting 'revistas' due to violence engendered, otherwise smooth progression of pacification and reduction in province; state of Indians at missions, poor relations between neighboring Indian groups due to death of one chief, request for military assistance in order to secure peace; collection of taxes from various individuals; edict that soldiers enter churches with 'cabello suelto'; 'indice de cartas', with brief summary of topics discussed in expediente; lack of 'papel sellado'; establishment of 'pueblos' and need for military protection; desertion by soldiers in Coahuila; examination of 'cuadernos de autos' in order to determine reasons for 'excesos' committed by squadron at hacienda; military assistance need in Coahuila and Texas to defend against Apaches; discovery of mine, its effect upon growth of economy in area; discussion of metals, silver found in other mines, quality and quantity. (L. Kerr, November 1988)

Letters concerning: banning use of any language but Spanish by Indians; report of number of inhabitants of presidios, missions, ranchos, including Indians, reference to attacks by 'indios fronterizos' who frequently attack ranchos, kill occupants; notification of receipt and posting of documents; discovery of mines; Bucareli's promotion to 'virreynato'; vacancy in governorship due to death of governor (letter dated 1-16-72). (L. Kerr, November 1988)

Letters concerning: brief reports of significant monthly military occurrences, mining discoveries; organization of presidios to counter Indian attacks, punish offenders; 'librettas' of officials, 'revista de inspeccion' for 1769, 1770; 'renuncia' of alferez, suffering from poor health; discussion of use of word 'previniendole' with 'subditos,' assault case in which soldier held 'bajo' word, governor explains rationale for action to virrey, begs indulgence for applying word in this manner; subsequent letter that further action delayed because squadron called upon to suppress Indian attacks; transportation of individuals via 'pobladores mercenados'; new mines and veins discovered at Vallecillo, abundance of metals still in old mines. (L. Kerr, November 1988)