Affine maps, euclidean motions and quadrics ανά Reventós i Tarrida, Agustí

Available for UP System via Springer Link.

The fifth postulate how unraveling a two-thousand-year-old mystery unraveled the universe ανά Bardi, Jason Socrates

Painless math geometry ανά Benes, Salita C.

Foundations of plane geometry. ανά Blau, Harvey I.

Barron's geometry the easy way ανά Leff, Lawrence S.

Euclidean and non-Euclidean geometry an analytic approach ανά Ryan, Patrick J.

A new approach to plane geometry ανά Van Denover, Alice

Congruence in algebra and geometry a study on their meanings ανά Blankas, Angelita Buted 1949-

Geometry in a modern setting. ανά Choquet, Gustave

Plane coordinate geometry ανά School Mathematics Study Group