Green, Oliver. <br/><br/>
The London underground :  an illustrated history / 
Oliver Green. 
 - Shepperton :  Ian Allan Ltd. ;  1987. 
 - 80 p. :  ill. ;  30 cm. 
<br/><br/>Bibliography : p. 80. 
<br/><br/>331  331 
<br/><br/><label>ISBN: </label>0 7110 1720 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>388.428 / G8241i