Wilson T. Ballard
- Tammen on Modern Highway Cantilever Bridges. In: Transactions of the American Society of Civil Engineers, v. 98, n. 1 ( 1933). (1933):
- Three-Span Continuous-Truss Railroad Bridge, Cincinnati, Ohio. In: Transactions of the American Society of Civil Engineers, v. 99, n. 1 ( 1934). (1934):