Structural design of pavements for light aircraft / Donald M. Ladd, Frazier Parker, Jr., A. Taboza PereiraDonald M. Ladd · First published 1976Open the Tome
The literary remains of Joseph Brown Ladd, M.D. Collected by his sister, Mrs. Elizabeth Haskins, of Rhode Island. To which is prefixed, A sketch of the author's lifeJoseph Brown LaddOpen the Tome
