Article Fuller, Steve (1999)
Authorizing science studies: or, Why we have never had paradigms. American Anthropologist (pp. 379-380). (/isis/citation/CBB000079981/) unapi

Article Cicenia, Salvatore (1998)
Le lettere di E. Beltrami ad A. Genocchi sulle geometrie non Euclidee. Nuncius: Annali di Storia della Scienza (pp. 567-593). (/isis/citation/CBB000082249/) unapi

Article Fujimura, Joan H. (1998)
Authorizing knowledge in science and anthropology. American Anthropologist (pp. 347-360). (/isis/citation/CBB000077662/) unapi

Book Beltrami, Eugenio (1998)
La découverte de la géométrie non euclidienne sur la pseudosphère: Les lettres d'Eugenio Beltrami à Jules Hoüel (1868-1881). Introduction, notes et commentaires critiques par Boi, Luciano, Giacardi, Livia, Tazzioli, Rossana. Préface, Ch. Houzel et E. Knobloch. (/isis/citation/CBB000082240/) unapi

Book Stillwell, John (1996)
Sources of hyperbolic geometry. (/isis/citation/CBB000078646/) unapi

Article Boi, Luciano (1996)
Les géométries non euclidiennes, le problème philosophique de l'espace et la conception transcendantale: Helmholtz et Kant, les néo-kantiens, Einstein, Poincaré et Mach. Kant-Studien (pp. 257-289). (/isis/citation/CBB000072476/) unapi

Article Martins, Roberto de Andrade (1995)
A influência das geometrias não-euclidianas no pensamento físico de século XIX. Revista da Sociedade Brasileira de Historia de Ciência (pp. 67-79). (/isis/citation/CBB000068213/) unapi

Article Calleri, Paola; Giacardi, Livia (1995)
Le lettere di Giuseppe Battaglini a Jules Hoüel (1867-1878): La diffusione delle geometrie non euclidee in Italia. Rivista di Storia della Scienza (pp. 125-206). (/isis/citation/CBB000072350/) unapi

Chapter Drago, Antonino; Romano, P. (1994)
Per una nuova concezione della non contraddittorietà di una teoria: Lobacevskij ha dimostrato la coerenza della geometria iperbolica?. In: Logica e filosofia della scienza: Problemi e prospettive: Atti del Congresso triennale della Società Italiana di Logica e Filosofia delle Scienze, Lucca, 7-10 gennaio 1993 (p. 145). (/isis/citation/CBB000045704/) unapi

Article Arboleda, Luis Carlos; Anacona, Maribel Patricia (1994)
Las geometrías no euclidianas en Colombia: La apuesta euclidiana del professor Julio Garavito (1865-1920). Quipu (pp. 7-24). (/isis/citation/CBB000067738/) unapi

Book Maracchia, Silvio (1993)
Dalla geometria euclidea alla geometria iperbolica: Il modello di Klein. (/isis/citation/CBB000061409/) unapi

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). VIET: Voprosy Istorii Estestvoznaniia i Tekhniki (pp. 36-43). (/isis/citation/CBB000051064/) unapi

Article Fili, Kristina (1992)
“Boobrazhaemaia” geometriia Lobacheskogo i Russkii avangard. (Lobachevskii's “imaginary” geometry and the Russian avant-garde). VIET: Voprosy Istorii Estestvoznaniia i Tekhniki (pp. 43-48). (/isis/citation/CBB000050964/) unapi

Article Reich, Karin (1992)
Levi-Civitasche Parallelverschiebung, affiner Zusammenhang, Übertragungsprinzip: 1916/17-1922/23. Archive for History of Exact Sciences (pp. 77-105). (/isis/citation/CBB000057414/) unapi

Article Freudenthal, Hans (1991)
Nichteuklidische Geometrie im Altertum?. Archive for History of Exact Sciences (pp. 189-197). (/isis/citation/CBB000057540/) unapi

Article Stump, David (1991)
Poincaré's thesis of the translatability of Euclidean and non-Euclidean geometries. Nous (pp. 639-657). (/isis/citation/CBB000052800/) unapi

Article Schirn, Matthias (1991)
Kants Theorie der geometrischen Erkenntnis und die nichteuklidische Geometrie. Kant-Studien (pp. 1-28). (/isis/citation/CBB000036860/) unapi

Article Chandrasekhar, T.R. (1989)
Non-Euclidean geometry from early times to Beltrami. Indian Journal of History of Science (pp. 249-256). (/isis/citation/CBB000064274/) unapi

Book Rosenfeld, B.A. (1988)
The history of non-Euclidean geometry: Evolution of the concept of a geometric space. Translated by Abe Shenitzer, with the editorial assistance of Hardy Grant. (/isis/citation/CBB000047435/) unapi

Chapter Gray, Jeremy (1987)
The discovery of non-Euclidean geometry. In: Studies in the history of mathematics (p. 37). (/isis/citation/CBB000042850/) unapi