Hobson,E.W. <br/><br/>
A Treatise On Plane And Advances Trigonometry  
by E.W.Hobson 
 - 7th Edition  
 - New York   Dover Publications,Inc.  1891 
 - xv,383p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / HOB