Thomas & Sanger 2010, pp. 12, 14. Thomas, David Hurst; Sanger, Matthew C. (June 23, 2010). "Preface". Trend, Tradition, and Turmoil: What Happened to the Southeastern Archaic?. American Museum of Natural History. pp. 11–19. hdl:2246/6068.
Thomas & Sanger 2010, pp. 12, 14. Thomas, David Hurst; Sanger, Matthew C. (June 23, 2010). "Preface". Trend, Tradition, and Turmoil: What Happened to the Southeastern Archaic?. American Museum of Natural History. pp. 11–19. hdl:2246/6068.