E. E. Howard
- The Sixth Street Viaduct, Kansas City. In: Transactions of the American Society of Civil Engineers, v. 65, n. 4 (Dezember 1909). (1909):
- The Twelfth Street Trafficway Viaduct, Kansas City, Missouri. In: Transactions of the American Society of Civil Engineers, v. 80, n. 1 ( 1916). (1916):