Todhunter, I. <br/><br/>
Plane trigonometry :   for the use of colleges and schools /  
I. Todhunter. 
 - London :   Macmillan,  1927. 
 - 405 p.  
<br/><br/><label>Subjects--Topical Terms: </label>--TRIGONOMETRIA--GEOMETRIA
<br/><br/><label>Universal Decimal Class. No.: </label>514