Libri di plane

Die Elemente der projectivischen Geometrie

Elements of plane analytic geometry

Isaaci Newtoni Enumeratio linearum tertii ordinis

An introduction to projective geometry and its applications

Analytical trigonometry

An elementary treatise on conic sections and algebraic geometry

Vorlesungen aus der analytischen Geometrie der geraden Linie, des Punktes und des Kreises in der Ebene

Problems in illustration of the principles of plane coordinate geometry

Analytical geometry

Cours de géomètrie analytique a deux dimensions: (sections coniques)