Crawley, Edwin S; Evans, Henry B <br/><br/>
Plane trigonometry 

 -  F S Crofts & Co., New York  1930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry; Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.24  CRA-P