Webster  , Merriam <br/><br/>
Webster Third New International Dictionary and Seven Language Dictionary 

 - 3rd 
 - Chicago  : Encyclopadia-Britanic  1986 
 - 1991 
<br/><br/><label>ISBN: </label>0-85229-503-0 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humanity & Natural Sciences
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences