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2. W. K. Bühler,Gauss, A Biographical Study, Springer-Verlag, New York, NY, 1981.
3. G. W. Dunnington,Carl Friedrich Gauss: Titan of Science, Exposition Press, New York, NY, 1955.
4. C. F. Gauss,Theory of the Motion of the Heavenly Bodies Moving about the Sun in Conic Sections, translation by C. H. Davis, Dover, New York, NY, 1963.
5. F. Klein and M. Brendel,Materialien fur eine wissenschaftliche Biographie von Gauss, B. G. Teubner, Leipzig, 1911-1920.