Bibliography of non-Euclidean geometry, including the theory
of parallels, the foundations of geometry, and space of n
- London Pub. by Harrison for the University of St. Andrews.
Avery, John Scales: Videnskab og samfund, 2008 s. 46.
Bonola, Roberto: Non-Euclidean Geometry. Dover Publications Inc. 1958.
The thirteen books of Euclid's Elements.
- Cambridge: The University Press, 1908.