Orchestral works by J. P. E. Hartmann and his son Emil Hartmann - Hartmann, Emil 1836-1898; Hartmann, Johan Peter Emilius 1805-1900; Hartmann, Johan Peter Emilius 1805-1900; Hartmann, Emil 1836-1898; Hartmann, Emil 1836-1898 (Harmonious families, 1999)