Hutchinson <br/><br/>
Hutchinson 20th  Century Encyclopedia 

 - 7 REVD. 
 - London  Hutchinson & Co.  1981 
 - 1323p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>33:N48
<br/><br/><label>Dewey Class. No.: </label>33:N48  / H9.L1