Reference request for texts on axiomatic geometry

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I am looking for papers and texts on axiomatic geometry, specifically Euclidean geometry. Now, I know axiomatic Euclidean geometry is a field with very little research currently going on, but I would still be interested in such papers. I am also interested in papers that talk about geometries that satisfy some but not all of the axioms of Euclidean geometry, such as absolute geometry (which is Euclidean geometry without the parallel postulate), and others.