The Bexar Archives are the official Spanish documents that preserve the political, military, economic, and social life of the Spanish province of Texas and the Mexican state of Coahulia y Texas. English translations are available for many documents.
The Biblioteca Digital Mexicana is a multi-institutional initiative to create a digital collection of historical documents from Mexico from 500 A.D. to 1949.
The documents range from pre-hispanic codices such as the Mixtec Codice Colombino from the 12th century, to the original manuscript of the Plan de Ayala written in 1911 by Emiliano Zapata and Otilio Montano, one of the most important documents of the Mexican Revolution. (Updates unknown)
!Zapatistas! contains the full, English language text of every communique published (along with several that were not published, as well as many interviews, letters, and essays) from the Zapatista National Liberation Army (EZLN) from December 31, 1994 through June 12, 1994.