Renowned as the founder of Spanish borderlands studies, Herbert Eugene Bolton was the first U.S. historian to build his research on Spanish archives and other forgotten archives in California, Arizona, New Mexico, Texas, Mexico, and Cuba. Yet before that, from 1906 to 1908, Bolton studied the Hasinai Indians of Louisiana and Texas. Russell Magnaghi has edited Bolton's previously unpublished examination of the Hasinais, a settled, agricultural...