Thomas, David st John <br/><br/>
Trains work like this 

 - London:  Phoenix house ltd,  1961. 
 - 54p.;  ill.  26cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering of railroads and roads
<br/><br/><label>Dewey Class. No.: </label>625  / THO