Cockshott , Arthur . <br/><br/>
A Treatise on Geometrical Conics /  Textual Documents 
Arthur Cockshott & F.B.Walters. 
 - 1st ed. / 
 - London :  Macmillan and co ,  1927. 
 - 208p. :  ill ;  20cm . 
<br/><br/><label>Subjects--Index Terms: </label>Geometrical Conics G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513.22  / C 647 T