D. A. Usina
- Engineering Patents. Dans: Transactions of the American Society of Civil Engineers, v. 57, n. 2 (décembre 1906). (1906):
- Recent Developments in Pneumatic Foundations for Buildings. Dans: Transactions of the American Society of Civil Engineers, v. 61, n. 2 (décembre 1908). (1908):
- Copyright in Drawings of a Technical Character. Dans: Transactions of the American Society of Civil Engineers, v. 65, n. 4 (décembre 1909). (1909):