Rietz, H. L. <br/><br/>
Plane and spherical trigonometry 
H. L. Rietz, J. F. Reilly and Roscoe Woods 
 - New York  Macmillan  1945 
 - various pages 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.34  / R563