Boletin semestral ...

1888, pt. 2, includes meteoroloical observations reported from the Observatorio Meteorológico-Magnético de Central Mexico, for the years 1877-1888.

Draft of report commenting on a plan proposed by Reginald Carey Brenton for organizing the Mexican Armada, with information on naval history, and a plea for the establishment of a naval academy.

Luis Cabrera fue un ide logo de la Revoluci n que dio a M xico su Carta Magna en 1917. Esta fase de su pensamiento se manifiesta en textos de gran vigor expresivo. A os despu s, alejado de toda actividad pol tica, se mostr contrario a las pol ticas de L zaro C rdenas, de quien fue opositor. Este libro analiza estas dos etapas de este intelectual revolucionario.

A series of narratives based on the history of a hacienda in San Gertrudis, Chihuahua during the Mexican revolution, with focus on the incursion of rebel troops and the reaction of rural residents. The author (1944) is a native of San Gertrudis.

Cumulative issues published quarterly, semiannually or annually -June 1911; -June 1898 include comparative data for the previous year