Loney, Sidney L.  1860- <br/><br/>
Plane trigonometry / 
by S. L. Loney 
 - 5th ed. 
 - Cambridge :  The University Press,  1949 
 - v :  ill. ;  21 cm. 
<br/><br/> Library has v. 1 
<br/><br/>Vol. 1 An elementary course, excluding the use of imaginary quantities 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Plane
<br/><br/><label>Dewey Class. No.: </label>514.5