Smail, Lloyd Leroy,  1888- <br/><br/>
Trigonometry, plane and spherical / 
Lloyd L. Small 
 - New York :  McGraw-Hill,  1952 
 - 406 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label> USD 5.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>514