Howson E W <br/><br/>
Tratise on plane and advanced trignometery 

 -  1928 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24105 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B5, F8