Pope, Thomas. A treatise on bridge architecture; in which the superior advantages of the flying pendent lever bridge are fully proved. With an historical account and description of different bridges erected in various parts of the world, from an early period, down to the present time. New York: Printed for the author, buy Alexander Niven, 1811.
⇒ download from “Fuentes para la Historia de la Construcción”, Sociedad Española de Historia de la Construcción (edited by Santiago Huerta)