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Camb. 1906 



5138 NON-EUCLIDEAN GEOMETRY. 



5138 Barbarin, P. La Geometric non-euclidienne. 



Paris 1 



5138 Bolyai, J. Science absolute of space. Austin, Tex. 1896. 



'5*38 Bonola, R. Non-euclidean geometry. Chicago 1912. 



5138 Carslaw, H. S. Elements of non-euclidean plane 



geometry and trigonometry. Lond. 1916. 



'5 J 38 Coolidge, J. L. Elements of non-euclidean geometry. 



Oxf. 1909- 

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Hamb. 1890. 



5138 Engel, F. and Stackel, P. Urkunden zur Geschichte 

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Leip. 1898-1913. 



5138 Hinton, C. H. The Fourth dimension. Lond. 1904. 

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5138 Jouffret, E. Traite de geometric a quatre dimensions. 



Paris 1903, 



5138 Lobatschewsky, N. I. Geometrical researches on 

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'5 X 38 Introduction to elements of geometry. 



[Austin] 1897. 



5138 New principles of geometry. Austin 1897. 



5138 Manning, H. P. The Fourth dimension simply ex- 

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5138 Non-euclidean geometry. Boston, Mass. 1901. 



5138 Miiller, A. Das Problem des absoluten Eaumes. 



Braunsch. 1911. 



5 138 Smith, W. W. A Theory of the mechanism of survival : 

 the fourth dimension and its applications. 



Lond. 1920 



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