"Elementary Geometry for College Students" by Daniel C. Alexander and Geralyn M. Koeberlein
Year of Publication: 2017
Publisher: Cengage Learning
"College Geometry: A Problem-Solving Approach with Applications" by Gary L. Musser, Lynn Trimpe, and Vikki R. Maurer
Year of Publication: 2012
Publisher: Pearson
"Plane Geometry: A Modern Approach" by William Wentworth and David Eugene Smith
Year of Publication: 2009
Publisher: Wentworth Press
"Geometry: Euclid and Beyond" by Robin Hartshorne
Year of Publication: 2000
Publisher: Springer
"Elementary Geometry from an Advanced Standpoint" by Edwin E. Moise
Year of Publication: 1990
Publisher: Addison-Wesley
Source code available at "https://github.com/edwardball/academo.org"