Encyclopedia of knowdege 
Treasure house 
 - London:  Treasure house,  1979. 
 - 253p. 
<br/><br/><label>ISBN: </label>1850512809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>030 E74E