Series of documents concerning tensions between americans and Spanish on Louisiana-Texas frontier. Relates efforts by English and americans to bribe Indians to rebel against Spanish. Includes reports by Spanish agents in Louisiana on american construction of fortifications in Natchitoches and concentration of american troops there under Burr and Wilkinson. Spanish troops in Texas and surrounding areas put on alert as U.s. breaks relations with Spain. Orcoguisac presidio abandoned as Spanish military build-up ensues in Texas. (A. Tukey, September 1988)