References
- H. Dörrie, 100 Great Problems of Elementary Mathematics: Their History and Solution (trans. D. Antin), Dover Publications, New York NY, 1965.
- T. Heath, A History of Greek Mathematics, Dover Publications, New York NY, 1981.
- G. W. F. Hegel, Phenomenology of Spirit (trans. A. Miller), Oxford University Press, Oxford, 1977.
- H. Perfect, Topics in Geometry, Pergamon Press, Oxford, 1963.
- E. W. Weisstein, Pascal lines, MathWorld; available at http://mathworld.wolfram.com/PascalLines.html.