Brady, Edward Michael. <br/><br/>
Tugs, towboats, and towing. 

 - Cambridge, Md.,  Cornell Maritime Press  [c1967] 
 - 231p.  illus. 
<br/><br/>Bibliography: p.219-220. 
<br/><br/><label>LCCN: </label>67017537 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tugboats<br/>Towing
<br/><br/><label>LC Class. No.: </label>VM464  / .B7