Plane and solid geometry,

Mode of access: Internet.

Elements of geometry: containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids: to which are added Elements of plane and sherical trigonometry.

Mode of access: Internet.

Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, elements of plane and spherical trigonometry /

Mode of access: Internet.

Über die Picard'schen gruppen aus dem zahlkörper der dritten und der vierten einheitswurzel ...

Available on demand as hard copy or computer file from Cornell University Library.

Die nicht-euklidischen Raumformen in analytischer Behandlung,

Available on demand as hard copy or computer file from Cornell University Library.

Syllabus of surface geometry : prepared as an introduction to absolute geometry /

Thesis (M.S.)--University of California, Berkeley, 1898.

Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids: to which are added elements of plane and spherical trigonometry /

Mode of access: Internet.

The elements of plane geometry /

Mode of access: Internet.

A school course in geometry, including the elements of trigonometry and mensuration and an introduction to the methods of co-ordinate geometry,

Mode of access: Internet.

Il parallelismo de Clifford negli spazii ellittici.

"Estratto dagli Annali della R. Scuola Normale Superiore di Pisa, v. 9."

Le divisioni regolari dello spazio iperbolico in piramide e doppie piramidi.

"Tesi di abilitazione."

Historical development of some ideas in analytic geometry of space.

Thesis (A.M.)--Cornell Univ., June 1913.

Riemannian geometry.

Bibliography: p. [289]-300.

Nichteuklidische Geometrie,

Available on demand as hard copy or computer file from Cornell University Library.

Synthetische Theorie der Cliffordschen Parallelen und der linearen Linienörter des elliptischen Raumes.

Available on demand as hard copy or computer file from Cornell University Library.