O'Hara, Charles Willibrord,  1886- <br/><br/>
An introduction to projective geometry / 
C. W. O'Hara, and D. R. Ward. 
 - Oxford :  The Clarendon Press,  1937, repr., 1949. 
 - ix, 298 p. :  diagrs. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Projective.
<br/><br/><label>Dewey Class. No.: </label>516.57