W. L. Cowles

Discussion of Some Disputed Points in Railway Bridge Designing by J. A. L. Waddell

W. L. Cowles, 1892 .

Discussion of A Study In the Designing and Construction of Elevated Railroads, with Special Reference To the Northwestern Elevated Railroad and the Union Loop Elevated Railroad of Chicago, Ill. by J. A. L. Waddell

W. L. Cowles, .

Wheel Concentrations and Fatigue Formulas In Bridge Design. An Informal Discussion

Edwin Thacher, George S. Morison, W. L. Cowles, 1899 .