Description
Volume 5 Number 1 1972; Volume 9 Number 2 October 1976; Volume 11 Number 1 May 1978; Volume 12 Number 2 October 1979; Volume 14 Number 2 October 1981; Volume 20 Number 1 May 1987; Volume 20 Number 2 October 1987; Volume 23 Number 2 October 1990 Essays on Music; Volume 24 Number 1 May 1991; Volume 24 Number 2 October 1991; Volume 25 Numbers 1 & 2 1992; Volume 26 Numbers 1 & 2 1993
