Potter Douglas Au. <br/><br/>
National insurance act,1946 

 - London  Butterworths & Co. London       1946 
 - 269p  cm. 
<br/><br/><label>Standard No.: </label>15,033 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:958:Z3, H6