BETHE, Hans (b.1906). Elementary Nuclear Theory. New York: John Wiley, 1947. 8o. Original cloth; dust jacket. FIRST EDITION. Bethe was awared the 1967 Nobel Prize for physics for his contributions to the theory of nuclear reactions, particularly for his discoveries concerning energy production in stars. -- BETHE, Robert F. BACHER and M. Stanley LIVINGSTON. "Nuclear Physics." Reprint of: Review of Modern Physics, Vol. 8, No.2, Vol. 9, no. 2 and Vol. 9, no. 3. Wakefield, MA: Murray Printing Co., 1949. 3 volumes, 4o. Original printed wrappers; cloth folding case. Reprint of the original issues from 1936-37. -- BETHE and Edwin E. SALPETER. Quantum Mechanics of one- and two-electron atoms. Berlin: Springer-Verlag, 1957. 8o. Original cloth. FIRST EDITION of the standard reference on quantum mechanical systems involving one or two electrons. (5)