Uniform Title Lehre von den Tonempfindungen. English Title On the sensations of tone as a physiological basis for the theory of music. Translated, thoroughly rev. and corrected, rendered conformal to the 4th (and last) German ed. of 1877, with numerous additional notes and a new additional appendix bringing down information to 1885, and especially adapted to the use of music students, by Alexander J. Ellis. With a new introd. (1954) by Henry Margenau.