W. Criswell
- The River Foyle Crossing (Londonderry Waterworks). Dans: Journal of the Institution of Civil Engineers, v. 2, n. 6 (avril 1936). (1936):
- The River Foyle Crossing (Londonderry Waterworks). Dans: Journal of the Institution of Civil Engineers, v. 2, n. 5 (mars 1936). (1936):