Hatton, J.L.S. . The Principles of Projective Geometry: Applied to the Straight Line and Conic / Textual Documents J.L.S.Hatton. - 1st ed. / - Cambridge : At The University Press , 1913. - 365p. : ill ; 23cm . Index Subjects--Index Terms: Projective Geometry G-Mathematics Dewey Class. No.: 515 / H 289 P