Related online material
My books
- Baker, H. F., Principles of Geometry, Volume III (Solid Geometry), Cambridge and the University Press, 1923.
- Blaschke, W., Kreis und Kugel, Chelsea Publishing Company, New York 1, N. Y., 1949 (1916).
- Coolidge, J. L., A Treatise on the Circle and the Sphere, Chelsea Publishing Company, Bronx, New York, 1971, Reprint of a work first published in Oxford, 1916.
- Hayn, J. J. H., A Geometry Reader, The Bruce Publishing Company, Milwaukee, Wisconsin, 1925.
- Wallace, E. C., West, S. F., Roads to Geometry, Second Edition, Prentice Hall, Upper Saddle River, New Jersey, 1998 (1982), ISBN 0-13-181652-7.