Heath, R. S. <br/><br/>
A text book of elementary trigonometry / 
R. S. Heath 
 - Oxford :  Clarendon Press,  1913 
 - 219 p. ;  19 cm. 
<br/><br/> Library has 3 cops. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>514