Harmon, Frank L. <br/><br/>
Modern college trigonometry / 
by Frank L. Harmon and Daniel E. Dupree. 
 - Belmont, Calif. :  Dickenson Pub.,  1966. 
 - viii, 168 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, Plane.