1. Svensk Folkmusik 4th ed., (Bokförlaget Prisma, Stockholm, 1974).
2. Sensation of Ton., translated by A.J. Ellis (London, 1985).
3. The Theory of Sound, 2nd ed. Macmillan, London 1894, Vol. I,
4. The Theory of Sound, 2nd ed. 1896, Vol. II. Now available from Dover Publishers, New York.
5. Lecture Notes;Mahaux,1984