From Dover Publications Inc. con Beyond Geometry: Classic Papers from Riemann to Einstein (Dover Books on Mathematics)
Eight essays trace seminal ideas about the foundations of geometry that led to the development of Einstein's general theory of relativity. This is the only English-language collection of these important papers, some of which are extremely hard to find. Contributors include Helmholtz, Klein, Clifford, Poincaré, and Cartan.
Peter Pesic is affiliated with St. John's College in Santa Fe, New Mexico.