Crowder, Norman A. <br/><br/>
Trigonometry :   a first course / 
Norman A. Crowder, Grace C. Martin ; Edited by Richard Goodman 
 - London :  English Universities Press,  c1962 [Impression 1968] 
 - 9, 250 p. :  ill. ;  21 cm. 
<br/><br/> Includes index.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / CRT 1968