5i MATHEMATICS 



5131 PLANE GEOMETRY. 



-880821 Euclid. Opera [Greek-Latin]. Ed. Heiberg et Menge. 



6 vols. Lips. 1883-96. 



5131 Elementa. [Editio princeps.] Venetiis 1482. 



5131 -Elements. Ed. Heath. 3 vols. Camb. 1908. 



5131 Ed. Smith and Bryant. Lond. 1901. 



5311 - Ed. Todhunter. Lond. 1899. 



5131 Euclid in Greek. Book 1. With introduction and 



notes by Sir T. L. Heath. Camb. 1920. 



5131 The Contents of the fifth and sixth books of 



Euclid. Arranged and explained, by M. J. M. Hill. 



Camb. 1908. 



5131 Henrici, O. Elementary geometry. Congruent figures. 



Lond. 1891. 

 5131 Mackay, J. S. Plane geometry. Lond. 1904. 



'5 1 3 I 3 Crivetz, T. Essai sur 1'equidistante. Bucarest 1900. 



'5 I 3 I 3 Essai sur le postulat d'Euclide. Bucarest 1895. 



51313 Dodgson. C. L. Theory of parallels. Lond. 1888. 



*5 I 3 I 3 Frankland, W. B. Theories of parallelism. 



Camb. 1910. 



51313 Gronau, K. T. E. Das Parallelenproblem. 



Hagen 1902. 



'5 I 3 I 3 Thompson, T. P. Geometry without axioms. 



Lond. 1833. 



51313 Withers, J. W. Euclid's parallel postulate. 



Chicago 1908. 



51314 Bruce, W. H. Properties of the triangle and its circles. 



Boston, Mass. 1903. 



A 2 Gregory, J. [M.A., Mar. Coll., 1657]. Exercitationes 



geometric. Lond. 1668 



51321 Hobson, E. W. "Squaring the circle" a history of 

 the problem. Camb. 1913. 



A Pirie, G. Geometrical methods of approximating to the 



value of TT. Lond. 1877 



52 



