Conic Sections see also Conic Section , Solid Geometry Besant, William Henry. Conic Sections, Treated Geometrically, 8th ed. rev. Cambridge, England: Deighton, Bell, 1890. Casey, John. A Treatise on the Analytical Geometry of the Point, Line, Circle, and Conic Sections, Containing an Account of Its Most Recent Extensions with Numerous Examples, 2nd rev. enl. ed. Dublin: Hodges, Figgis, and Co., 1893. 564 p. Chasles, M. Traité des sections coniques. Paris, 1865. Coolidge, Julian Lowell. A History of the Conic Sections and Quadric Surfaces. New York: Dover, 1968. $?. Downs, J.W. Practical Conic Sections. Palo Alto, CA: Dale Seymour, 1993. 100 p. $10.95. Durell. Concise Geometrical Conics. 99 p. Lebesgue, H. Les Coniques. Paris: Gauthier-Villars, 1955. 187 p. Out of print. Salmon, George. A Treatise on Conic Sections, 6th ed. New York: Chelsea, 1960. 399 p. $?. Smith, Charles. Geometric Conics. London: Macmillan, 1894. Sommerville, D.M.Y. Analytical Conics, 3rd ed. London: G. Bell and Sons, 1961. Wilson, J. M. Solid Geometry and Conic Sections. New York: Macmillan, 1903.