Bell, Clifford,  1898- <br/><br/>
Essentials of plane and spherical trigonometry / 
Clifford Bell, Tracy Y. Thomas. 
 - New York :  H. Holt,  1943 
 - vi, 142 p. ;  22 cm. 
<br/><br/> Supplemented by: "Tables .." (127 p. 22 cm.) Published: [New York] H. Holt and company, inc., c1943. Call number: QA531.B45 tables 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry