O'Brien, T. Michael. <br/><br/>
Guardians of the eighth sea :  a history of the U.S. Coast Guard on the Great Lakes / 
by T. Michael O'Brien. 
 - [s.l. :  Ninth Coast Guard District,  [1976] 
 - xi, 97 p. :  ill. ;  26 cm. 
<br/><br/>Bibliography: p. 94-97. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Coast Guard --History.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Lakes--Navigation--History.
<br/><br/><label>LC Class. No.: </label>VG53  / .O27 
<br/><br/><label>Dewey Class. No.: </label>353.007/4