Agg, Thomas Radford. The construction of roads and pavements / Thomas Radford Agg. - 5th ed. - New York : McGraw-Hill Book, c 1940. - xiv, 483 p. : ill. ; 23 cm. Includes index. 327 327 Subjects--Topical Terms: Road construction. Dewey Class. No.: 625.7 / R188c