Plane geometry,

Mode of access: Internet.

Elements of plane geometry.

Mode of access: Internet.

A text-book of geometry /

On cover: New plane geometry.

Elements of geometry,

Mode of access: Internet.

Lehrbuch der elementaren praktischen Geometrie,

Mode of access: Internet.

The study of mathematics /

Includes indexes.

Library of useful knowledge. Mathematics ...

Another ed. of v. 1, containing only the articles of De Morgan and Parker, was issued in 1836.

De Inclinationibus.

Mode of access: Internet.

Das Wichtigste aus der Geometrie /

Mode of access: Internet.

The finite planes of Ostrom.

Caption title.

Die elemente der Mathematik.

v. 1. Gemeine Arithmetik, Allgemeine Arithmetik, Algebra.

Die Elementar-Mathematik für den Schulunterricht bearbeitet.

v. 1. Arithmetik und Algebra.--v. 2. Planimetrie.

Theorie der geometrischen Konstruktionen,

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

Euclid's book On divisions of figures ... with a restoration based on Woepcke's text and on the Practica geometriae of Leonardo Pisano,

Mode of access: Internet.

Des Apollonius von Perga zwei bücher vom raumschnitt. Ein versuch in der alten geometrie

Mode of access: Internet.