Historia de las epidemias en México

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

El investigador reunió a un grupo de especialistas para estudiar la naturaleza del presidencialismo en México y comparar las políticas de quienes gobernaron el país a lo largo de los siglos XIX y XX, con hincapié en su relación con el Poder Legislativo. Este segundo tomo está dedicado a quienes gobernaron México en el siglo XX y toca a personajes tan contradictorios como fascinantes: Álvaro Obregón, Plutarco Elías Calles, Lázaro Cárdenas, Miguel Alemán, Adolfo Ruiz Cortines, Gustavo Díaz Ordaz y aun Carlos Salinas de Gortari. Al estudiarlos es ineludible analizar a la nación...

Desde épocas muy tempranas, a finales del IV milenio a.C., determinados grupos asentados en el Valle del Nilo, entre la Primera catarata y el mar Mediterráneo, mantuvieron contactos comerciales con poblaciones de Palestina y Nubia. Poco después de que el territorio egipcio se unificara bajo un monarca y comenzara a emplearse la escritura, 'ca.' 3000 a.C., comienzan a grabarse inscripciones que conmemoran incursiones egipcias en territorio extranjero para aprovisionarse de materias primas. Las expediciones al extranjero adquieren cierta periodicidad en torno al año 2000 a. C., y la...