[EINSTEIN, ALBERT, et al.]. LORENTZ, H.A.; A. EINSTEIN; H. MINKOWSKI; and H. WEYL. The Principle of Relativity...with notes by A. Sommerfeld translated by W. Perrett and G.B. Jeffery. New York, 1923. 8vo, original blue cloth, printed paper spine label (a little browned and chipped). A collection of seminal papers in the development of relativity physics, which were first published together in German in 1913.