Words and phrases : legally defined. Volume 4. 
edited by John B. Saunders 
 - 2nd ed. 
 - London  Butterworths  1969 
 - 359p. 
<br/><br/> In 5 volumes.<br/>This volume covers: O - R 
<br/><br/><label>ISBN: </label>406080348 
<br/><br/><label>Universal Decimal Class. No.: </label>(038)34  / SAU'69.4