Potter, Douglas <br/><br/>
National insurance 
by Douglas Potter and D.H. Stansfeld 
 - London  Butterworth  1949 
 - xix, 553p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social security --Great Britain.
<br/><br/><label>Dewey Class. No.: </label>T5x42 P851