This article tries to show not only new methodological aspects of studies about military financing in Indias but also tries to answer some important questions concerning to military fiscalization of Texas province in the eighteen century. It is well known the contribution of Rivera and Rubí on the frontier history: two excellent regulations in 1729 and 1772. However, no study has tried to show the real economic impact over the frontier (soldiers, missionaries, presidios), and only a few studies have availed themselves of cajas reales to analyse the way in which Mexico supported the northern frontier. This study is the first one which tries to give a logical and historical explanation about these matters: cost of the presidios in Texas during XVIII century, money circulation and problems about the applications of the 1729 Rivera regulation.
Texas; New Spain; Presidiary System
