Reid, George H., 1924- Primer of towing / George H. Reid. - Cambridge, Md. : Cornell Maritime Press, 1975. - vii, 95 p. : ill. ; 23 cm. Includes index. ISBN: 0870332120 LCCN: 75038648 Subjects--Topical Terms: Tugboats.Towing.Towboats. Dewey Class. No.: 623.88232