Moritz, Robert E.  1868-1940 <br/><br/>
Elements of plane trigonometry :  a text-book for high schools, technical schools and colleges / 
by Robert E. Moritz 
 - New York :  John Wiley,  1911 
 - xiv, 361, 91 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry
<br/><br/><label>Dewey Class. No.: </label>514.5