Nock, Oswald Stevens. <br/><br/>
Railways of the USA / 
Oswald Stevens Nock. 
 -  Hasting House Publishers  1979. 
<br/><br/>12674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads - United States.<br/>Railroads - United States - History.
<br/><br/><label>LC Class. No.: </label>HE2751  / N6Noc.