College geometry: an introduction to the modern geometry of the triangle and the circleby Nathan Altshiller-Court, 1952
Euclidean and non-euclidean geometries: development and history (3rd ed.)by Marvin Jay Greenberg, 1974
Foundation of euclidean and non-euclidean geometryby Ellery B. Gobos, 1968
Geometry through history: euclidean, hyperbolic, and projective geometriesby Meighan I. Dillon, 2018
The art and craft of mathematical problem solving: course guidebookby Paul Zeitz, 2010
