Berlin: Julius Springer, 1924.
First edition of a paper by Max Born, "Uber Quantenmechnik" (On Quantum Mechanics), in entire issue of Zeitschrift für Physik, Band 26, No. 6, pp. 343-401. Born's paper is on pp. 379-395. Bound in publisher's original wrappers, with new spine. Ink stamp to front cover and pages toned. Item #140940044