(en) American Mining Congress, Quicksilver Deposits of Terlingua District, Brewster County, Texas, Proceedings of the Eighth Annual Session of the American Mining Congress, El Paso, Texas, 14, 15, 16, 17 et 18 novembre 1905, , 184–194 p. (lire en ligne)
(en) Benjamin Felix Hill, The University of Texas Mineral Survey, Bulletin no 4, october 1902, The Terlingua Quicksilver Deposits, Brewster County, Austin, The University of Texas, (lire en ligne) Includes numerous c. 1902 photos of area mining operations.
