1
by Wolff, Hellmuth Christian published: Laaber: Laaber-Verl., c 2010

2
by Wolff, Hellmuth Christian published: Laaber: Laaber-Verl., c 2010

3
by Wolff, Hellmuth Christian published: Leipzig: Dt. Verl. fuer Musik, 1985

5
by Wolff, Hellmuth Christian published: Bonn-Bad Godesberg: Verl. f. Systemat. Musikwissenschaft, 1978

8
by Wolff, Hellmuth Christian published: Leipzig: Breitkopf & Härtel, 1956

11
by Wolff, Hellmuth Christian In: Die Musikforschung (1983) published: Bärenreiter-Verlag, 1983

12
by Wolff, Hellmuth Christian In: Die Musikforschung (1981) published: Bärenreiter-Verlag, 1981

14
by Wolff, Hellmuth Christian In: RIdIM/RCMI Newsletter (1981) published: Graduate School and University Center of the City University of New York, 1981

18
by Wolff, Hellmuth Christian In: Die Musikforschung (1978) published: Bärenreiter-Verlag, 1978