184 Mexico: Archivo General 
OFICIO DE SORIA. 
(IO VOLS. 1758-1820.) 
José Ygnacio Negreiros y Soria was in the later eighteenth century secre- 
tario de cémara y virreynato (see “ Subdelegados ”, 1797-1819). These ten 
volumes are a miscellaneous collection of expedientes, said to be named from 
the fact of their having come from his office. Three of the volumes have 
matter bearing on the United States, as will appear below. 
Vol. 1758-1762. 
Several cuadernos relative to the founding of the pueblo of San Fernando 
de las Amarillas del Carrizal in the jurisdiction of Paso del Norte. 
1757-1760. 
Autos in virtue of the royal order requiring care to prevent foreigners 
from communicating with the natives of the Gila and Colorado 
rivers. Superior Govierno, 1760. Two cuadernos. 
Review of militia of the district of Paso del Norte. 1762. 
Vol. 1807-1818. 
Papers from the Secretaria del Virreynato, Ultramarino, concerning: 
The importation of goods by a citizen of New Orleans. 1807. 
Arrival of the American vessels Ana and Bienvenida at Tabasco, 
1809, and the Diana, 1811-1812. 
(These papers evidently belong in Seccién de Marina, gq. v.) 
Vol. 1800-1819. 
Expediente formed in the intendancy of San Luis Potosi for the purpose 
of ascertaining why up to the time of the investigation the lands of 
Coahuila, Texas, Nuevo Leon, and Nuevo Santander had been 
given so low a valuation. It throws a considerable light on the 
land system. 1800. About 50 ff. 
OTHER SECTIONS. 
Besides the foregoing sections of the Archivo General y Publico, which 
have intimate and direct bearing on the history of the United States, there are 
numerous others (constituting the great bulk of the archive, indeed, in mere 
quantity) which either have only general or incidental bearing on the territory 
that is now within the United States, or were practically inaccessible at the 
time the investigation was made, and are therefore given only general treat- 
ment here. In some cases, no doubt, further investigation of these sections 
will reveal important documents for the history of the United States. The 
sections are listed here in alphabetical order, with respect to the archive 
designation. 
Aduanas (Custom-Houses). Period of the Republic. A large collection. 
Records of the Administracién General de Aduanas. Reports of the 
local officials, etc. 
Alcabalas (Excises). Colonial Period. <A large collection. 
The alcabala was the most burdensome form of tax imposed during the 
Spanish régime. The method of administration changed several 
times (see Fonseca y Urrutia, Historia General de Real Hacienda, 
Tomo II.). These papers contain records of the Contaduria Gen- 
eral de Alcabalas, Direccién General de Hacienda, and other offi- 
ces concerned with the alcabalas at different periods. 
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