Hill, L.A. <br/><br/>
Elementary comprehension piece 
L.A. Hill 
 - 8. imp. 
 - London  Oxford  1971 
 - 64 s.  18 cm. 
<br/><br/><label>ISBN: </label>0194325113 
<br/><br/><label>Dewey Class. No.: </label>428.2