Book Alberto Cogliati; (2024)
La geometria non euclidea. Una breve storia dall’antichità a Poincaré

Book Gray, Jeremy J.; (2004)
János Bolyai, Non-Euclidean Geometry, and the Nature of Space

Thesis Braver, Seth Philip; (2007)
Lobachevski Illuminated: Content, Methods, and Context of the “Theory ofParallels”

Article Demirtas, Inanç Akdenizci; (2005)
Salih Zeki Introduces Lobachevsky's Geometry: Two Conferences in 1915

Chapter Drago, Antonino; Romano, P.; (1994)
Per una nuova concezione della non contraddittorietà di una teoria: Lobacevskij ha dimostrato la coerenza della geometria iperbolica?

Article Izotov, G.E.; (1992)
K istorii opublikovaniia N.I. Lobachevskii sochinenii po “boobrazhaemoi” geometrii. (On the publishing history of Lobachevskii's work on “imaginary” geometry)

Article Rossi, Francesco Saverio; (1983)
Agli albori della geometria non euclidea: Nicola J. Lobačevskij

Article Fili, Kristina; (1992)
“Boobrazhaemaia” geometriia Lobacheskogo i Russkii avangard. (Lobachevskii's “imaginary” geometry and the Russian avant-garde)

Article Jemma Lorenat; (2022)
An Okapi Hypothesis: Non-Euclidean Geometry and the Professional Expert in American Mathematics

Article Yan, Chen-guang; Deng, Ming-li; (2009)
Riemann's Idea of Geometry and its Impact on the Theory of Relativity

Article Christiansen, Andreas; (2009)
Bernt Michael Holmboe (1795--1850) and His Mathematics Textbooks

Article Kjeldsen, Tinne Hoff; Carter, Jessica; (2012)
The Growth of Mathematical Knowledge---Introduction of Convex Bodies

Chapter Giulia Giannini; (2009)
Poincaré, la nozione di gruppo e il Programma di Erlangen di F. Klein

Article Abardia, Judit; Reventós, Agustí; Rodríguez, Carlos J.; (2012)
What Did Gauss Read in the Appendix?

Book Voelke, Jean-Daniel; (2005)
Renaissance de la géométrie non euclidienne entre 1860 et 1900

Article Shoji, Kota; (2006)
The Contact of Differential Geometry and Continuous Groups of Transformations: W. Killing's “Ueber die Grundlagen der Geometrie”

Article Sauer, Tilman; (2006)
Field Equations in Teleparallel Space-Time: Einstein's Fernparallelismus Approach Toward Unified Field Theory

Article Cerroni, Cinzia; (2007)
The Contributions of Hilbert and Dehn to Non-Archimedean Geometries and Their Impact on the Italian School

Article Boskoff, Wladimir G.; Suceava, Bogdan D.; (2007)
Barbilian Spaces: The History of a Geometric Idea

Article Dölen, Emre; (2005)
Salih Zeki and the Darülfünun