Ole Singstad
- King on Fulton Street Tunnel, New York, N. Y. In: Transactions of the American Society of Civil Engineers, v. 98, n. 1 ( 1933), pp. 697-707. (1933):
- The Queens Midtown Tunnel. In: Transactions of the American Society of Civil Engineers, v. 109, n. 1 ( 1944), pp. 679-715. (1944):