Kells, Lyman M.  1888- <br/><br/>
Plane and spherical trigonometry / 
[by] Lyman M. Kells, Willis F. Kern [and] and James R. Bland. 
 - Third edition. 
 - New York :  McGraw-Hill,  c1978. 
 - 290 pages :  illustrations ;  24 cm. 
<br/><br/>Bound with the authors' Five-place logarithmic and trigonometric tables. New York, 1935. 
<br/><br/><label>ISBN: </label>971-08-1917-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.<br/>Spherical trigonometry.
<br/><br/><label>LC Class. No.: </label>QA531  / .K38 1951 
<br/><br/><label>Dewey Class. No.: </label>514