Austin, Moses, 1761-1821. Account, 1803-1804. 1 account. Location: Misc. Moses Austin was the founder of the American lead industry and the first man to obtain permission to bring Anglo-American settlers into Spanish Texas. This account itemizes purchases of dry goods from John Stewart by Moses Austin and his son, James Elijah Brown Austin, between December 14, 1803, and February 21, 1804, at Mine a Breton, Louisiana Territory. Mss. 3940.