Whitman, Edwin A. <br/><br/>
Essentials of plane trigonometry, with tables / 
by W. Edwin A., J. Rosenbach at al. 
 - Boston [etc] :  Ginn,  1950. 
 - VIII, 118 p. :  tab.; fig. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Textbook