Here is the complete history of the Indians of the Valley of Mexico, one of the two most important religious groups in the Spanish empire in America, from the Conquest to Independence in the early nineteenth century. Based upon ten years of research, this study focuses on the effect if Spanish institutions on Indian life at the local level.

War Inventions and How They Were Invented contains information on famous tools of war and then invention.

Here is the complete history of the Indians of the Valley of Mexico, one of the two most important religious groups in the Spanish empire in America, from the Conquest to Independence in the early nineteenth century. Based upon ten years of research, this study focuses on the effect if Spanish institutions on Indian life at the local level.