El sitio de Querétaro según protagonistas y testigos...;

The characteristics of 208 prehispanic sites located east of the state of Guerrero. Preliminary results are presented for two research projects.

Respected political scientists analyze role of electoral left in parliamentary policy and in construction of quality of government. Also broaches topic of organization of leftist groupings in party form. Written during 2018 presidential campaign when victory of leftist candidate Andres Manuel Lopez Obrador was near certainty, proposes thesis that left became one of most powerful electoral forces in Mexico by dint of long years of struggle against repression and by tenacity to insert itself in new democratic order.

A collection of colonial documents and correspondence, 1543-1807, relating to the administration of the region of Tlalnepantlan, Estado de Mexico.

Ante la reciente presentación del VI informe del Señor Ernesto Zedillo Ponce de León, y los eventos ocurridos ante la Camara de Diputados, es imperativo cuestionarse sobre la bondad de los resultados presentados y confrontados ante la realidad social. Es relevante considerar que la presente administración perdio las "riendas" de la economía nacional ante la contratación de deuda en 1995 para solventar los llamados "errores de diciembre de 1994."