Bell, Clifford <br/><br/>
Essentials of plane and spherical trigonometry / 
by Clifford Bell and Tracy Y. Thomas ... 
 - New York :  H. Holt and company,  1943 
 - vi, 166, 142 p. :  ill. ;  22 cm. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>514  / BEE 1943