Herbert Eugene Bolton, Texas in the Middle Eighteenth Century (Berkeley: University of California Press, 1915; rpt., Austin: University of Texas Press, 1970). Charles W. Hackett, ed., Pichardo's Treatise on the Limits of Louisiana and Texas (4 vols., Austin: University of Texas Press, 1931–46).
Herbert Eugene Bolton, "Texas in the Middle Eighteenth Century" (Berkeley: University of California Press, 1915; reprinted, Austin: University of Texas Press, 1970), and Charles W. Hackett, ed., "Pichardo's Treatise on the Limits of Louisiana and Texas" (4 vols., Austin: University of Texas Press, 1931–46).