Hall, H. S. <br/><br/>
Elementary trigonometry / 
H.S. Hall and S.R. Knight. 
 - 4th rev & enl ed. 
 - London :  Macmillan & co.,   1959. 
 - 415 p. ;  20 cm. 
<br/><br/>322  322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.
<br/><br/><label>Dewey Class. No.: </label>514 / H142e